4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Heterocyclic carbon compounds containing a hetero ring...

Kurt Winkler

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Hyperocular lens assembly attachable to an eyeglass lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent

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Method of producing-coarse crystalline nicotinic acid with a hig

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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Optical reading device

Optical: systems and elements – Lens – With viewed object support
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Profile ID: LFUS-PAI-P-541637

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