HUIJUN LIU

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HEBEI, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sleeper compartment of a railroad passenger car
- Patent number 8,522,692
- Issue date Sep 3, 2013
- Tangshan Railway Vehicle Co., Ltd.
- Bangcheng Sun
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
SLEEPER COMPARTMENT OF A RAILROAD PASSENGER CAR
- Publication number 20110253005
- Publication date Oct 20, 2011
- TANGSHAN RAILWAY VEHICLE CO., LTD.
- BANGCHENG SUN
- B61 - RAILWAYS