Letian TENG

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Crash system for a rail vehicle
- Patent number 11,318,967
- Issue date May 3, 2022
- CRRC Qingdao Sifang Co., Ltd.
- Sansan Ding
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
CRASH SYSTEM FOR A RAIL VEHICLE
- Publication number 20200001903
- Publication date Jan 2, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan DING
- B61 - RAILWAYS