4. Chemistry: electrical current producing apparatus, product, and
  5. Current producing cell, elements, subcombinations and...
  6. Electrode

Heiichi Hasegawa

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Alkaline battery with a nickel electrode

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent

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Method of manufacturing a speed gear

Metal working – Method of mechanical manufacture – Gear making
Reexamination Certificate

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Method of manufacturing a speed gear and an apparatus for...

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Reexamination Certificate

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Profile ID: LFUS-PAI-P-801748

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