Yoshikazu Suwa

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Saijo-shi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Tube Type Heat Exchanger and Manufacturing Method of the Same
- Publication number 20120325443
- Publication date Dec 27, 2012
- Sumitomo Heavy Industries Process Equipment Co., Ltd.
- Tetsuya Miyata
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...