Inventor · disambiguated record

Shuhua Duan

Also filed as: DUAN SHUHUA

1 granted patent·0 citations·filing 2016–2016

4Inventor score

Technology areasB61G

Files withCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD1

Top patents by PatentIndex Score

1 record

0134US9545934B2Balancing apparatus for a transition couplerCRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD·Filed 2016·Granted Jan 17, 2017·0 cites·7 claims

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