4. H - Electricity
  5. 01
  6. M

Akira Ota

H - Electricity – 01 – M

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Dry cell

H - Electricity – 01 – M
Patent

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Dry cells

H - Electricity – 01 – M
Patent

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Easy-to-transplant seedbed holder and its manufacturing method

A - Human Necessities – 01 – G
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Flowability additive

C - Chemistry – Metallurgy – 04 – B
Patent

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Leclanche dry cell with reversed position of anode and cathode

H - Electricity – 01 – M
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Profile ID: LFCA-PAI-P-346804

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