4. G - Physics
  5. 02
  6. B

Ryuji Kawamoto

G - Physics – 02 – B

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Inventor

Country: Japan

Foamed fragrancing and deodorizing gel

A - Human Necessities – 61 – L
Patent

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Incense candle

C - Chemistry – Metallurgy – 11 – C
Patent

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Optical switch

G - Physics – 02 – B
Patent

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Optical switch

G - Physics – 02 – B
Patent

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Profile ID: LFCA-PAI-P-1484362

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