Keiji Ohki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preventing obstruction in aluminum brass pipes in a wate...
- Patent number 6,106,770
- Issue date Aug 22, 2000
- Mitsubishi Gas Chemical Company Inc.
- Keiji Ohki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...