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Luminescent bivalent europium-activated barium borophosphate and

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent coating for low-pressure mercury vapour discharge la

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent device having phosphor particles about .5 micrometer

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent Eu.sup.3+ -activated silicate, luminescent screen pr

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent lead-activated alkaline earth metal rare earth metal

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
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Luminescent material

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
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Luminescent material and discharge lamp containing the same

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent material and discharge lamp containing the same

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent material coated with a protective layer

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate

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Luminescent material comprising an alkaline earth borate

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate

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Luminescent material for mercury discharge lamp including phosph

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent material with alkaline earth metal silicate aluminat

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent material, especially for application in mercury vapo

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
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Luminescent material, luminescent screen provided with such a ma

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent materials and discharge lamp containing the same

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent phosphor composition and display

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent rare earth metal phosphate, luminescent screen provi

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent screen and lamp containing the same

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent screen and low pressure mercury vapor discharge lamp

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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Luminescent screen and low-pressure mercury vapor discharge lamp

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Patent

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