JUNNIAN ZHOU

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HEBEI, CN

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Patents Applicationslast 30 patents

Information Patent Application
WELDING METHOD OF BUTTED PROFILE
- Publication number 20110259942
- Publication date Oct 27, 2011
- TANGSHAN RAILWAY VEHICLE CO., LTD.
- JUNNIAN ZHOU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR