Keikichi Maeda

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Welding process for aluminum or chrome diffusion-coated steel
- Patent number 3,958,743
- Issue date May 25, 1976
- Japan Gasoline Co., Ltd.
- Kunio Ishii
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR