CHINA TDJ SYSTEM RESEARCH CENTRE

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Harbin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable stop-wagon retarders with locking function for wagons at...
- Patent number 6,182,575
- Issue date Feb 6, 2001
- China TDJ System Research Centre
- Yongting Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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Trademarklast 30 trademarks

Information Trademark
75259023 - TDJ
- Serial number 75259023
- Registration number 2227164
- Filing date Mar 13, 1997
- CHINA TDJ SYSTEM RESEARCH CENTRE
- 7 - Machines and machine tools