4. Illumination
  5. Self powered lamp
  6. Lamp bulb or lamp support axis adjustable or angularly fixed...

Jia-Ming Sheu

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Lead propelling device for an automatic pencil

Coating implements with material supply – Solid material for rubbing contact or support therefor – Including means to advance material
Patent

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Light device with extensible and retractable bulb unit

Illumination – Self powered lamp – Lamp bulb or lamp support axis adjustable or angularly fixed...
Patent

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Profile ID: LFUS-PAI-P-893494

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