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Hideo Miwa
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Flow change-over valve for the blowing of fluids into molten metal...
Patent number
4,552,334
Issue date
Nov 12, 1985
Kawasaki Steel Corporation
Yoshiro Tomiyama
C21 - METALLURGY OF IRON
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Patent Grant
Constant discharge device in a conveyor for powdery and granular ma...
Patent number
4,502,819
Issue date
Mar 5, 1985
Denka Engineering Kabushiki Kaisha
Shuzo Fujii
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL