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Hitachi, JP
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last 30 patents
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Patent Grant
Surface hafnium-titanium carbide coated hard alloy and method
Patent number
4,269,899
Issue date
May 26, 1981
Hitachi Metals, Ltd.
Moriaki Fuyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Surface hafnium-titanium compound coated hard alloy material and me...
Patent number
4,264,682
Issue date
Apr 28, 1981
Hitachi Metals, Ltd.
Moriaki Fuyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...