4. Batteries: thermoelectric and photoelectric
  5. Photoelectric
  6. Cells

Development Products Inc.

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Ablative-intumescent system

Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent

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Correction of tribology of arthritis-affected joints and medicin

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Patent

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Method of hardening metal surfaces

Coating processes – Direct application of electrical – magnetic – wave – or... – Electrical discharge
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Method of obtaining an purified wool fat and use as an additive

Organic compounds -- part of the class 532-570 series – Organic compounds – Fatty compounds having an acid moiety which contains the...
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Optimum screw

Conveyors: power-driven – Conveyor section – Screw
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