QINGQING LIU

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Patents Applicationslast 30 patents

Information Patent Application
BURST-PROOF WATER PIPE ADAPTER
- Publication number 20160348825
- Publication date Dec 1, 2016
- DJ-Hose Co., LTD.
- QINGQING LIU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...