4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Roger A. Comes

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Methods and apparatus for measuring sidestream smoke

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Process for synthesis of N-(hydrocarbyl)substituted-p-menthane-3

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
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Profile ID: LFUS-PAI-P-1282002

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