Eikichi Yamaharu

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Hirakata-shi, Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive brasting apparatus and die finishing apparatus using the same
- Patent number 5,562,531
- Issue date Oct 8, 1996
- Eikichi Yamaharu
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for pretreating electronic component manufactu...
- Patent number 5,533,922
- Issue date Jul 9, 1996
- Eikichi Yamaharu
- B24 - GRINDING POLISHING