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Patents Grantslast 30 patents

Information Patent Grant
Fiber-reinforced rigid polyurethane foam composite railway sleeper...
- Patent number 10,538,615
- Issue date Jan 21, 2020
- RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES C...
- Bin Niu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FIBER-REINFORCED RIGID POLYURETHANE FOAM COMPOSITE RAILWAY SLEEPER...
- Publication number 20190185610
- Publication date Jun 20, 2019
- RAILWAY ENGINEERING RESEARCH INSTITUTE OF CHINA ACADEMY OF RAILWAY SCIENCES C...
- Bin NIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL