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Hiroshi Yokoyama

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Air-fuel mixture intake apparatus for internal combustion...

F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent

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Belt sleeve manufacturing method and apparatus

B - Operations – Transporting – 29 – D
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Bulky yarns

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Combination of water-proof camera case and detachable hand...

A - Human Necessities – 45 – C
Patent

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Compound carburetor

F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent

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Cooling system for a semiconductor element, semiconductor...

H - Electricity – 01 – L
Patent

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Method of upgrading low grade coal

C - Chemistry – Metallurgy – 10 – L
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Profile ID: LFCA-PAI-P-108195

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