4. H - Electricity
  5. 04
  6. S

Hirofumi Okada

H - Electricity – 04 – S

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Inventor

Country: Japan

Bag for packaging

B - Operations – Transporting – 65 – D
Patent

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Process for refining crude material for copper or copper alloy

C - Chemistry – Metallurgy – 22 – B
Patent

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Sound reproducer

H - Electricity – 04 – S
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Profile ID: LFCA-PAI-P-1213873

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