QINGDAI SRI TECHNOLOGY CO., LTD.

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Compact buffer having overload protection
- Patent number 9,440,664
- Issue date Sep 13, 2016
- QINGDAI SRI TECHNOLOGY CO., LTD.
- Hui Liu
- B61 - RAILWAYS