4. C - Chemistry, Metallurgy
  5. 21
  6. B

Kenichi Yajima

C - Chemistry – Metallurgy – 21 – B

Inventor

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Details

Inventor

Country: Japan

Fastening bolt

F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent

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Metal-making apparatus involving the smelting reduction of...

C - Chemistry – Metallurgy – 21 – B
Patent

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Method of smelting reduction of ores containing metal oxides

C - Chemistry – Metallurgy – 21 – B
Patent

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Molten metal producing and refining method

C - Chemistry – Metallurgy – 22 – B
Patent

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Through-hole sealing device

F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent

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Profile ID: LFCA-PAI-P-1084518

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