Masaru Akao

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Utsunomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cold rolling oil composition for aluminum and aluminum-containing a...
- Patent number 4,800,034
- Issue date Jan 24, 1989
- Kao Corporation
- Masaru Akao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...