Motoaki Itatani

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for manufacturing a welded pipe
- Patent number 5,784,911
- Issue date Jul 28, 1998
- Kusakabe Electric & Machinery Co., Ltd.
- Yuji Hashimoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...