Jinghong Ruan

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
TECHNIQUE FOR REPAIRING, STRENGTHENING AND CRACK ARREST OF PIPE
- Publication number 20100147409
- Publication date Jun 17, 2010
- BEIJING SAFETECH PIPELINE CO., LTD.
- Minxu Lu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...