Satoshi Hozumi

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Oyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing flat heat exchange tubes
- Patent number 5,784,776
- Issue date Jul 28, 1998
- Showa Aluminum Corporation
- Yoshihiro Saito
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...