Inventor · disambiguated record

Ruihua Jia

Also filed as: JIA RUIHUA

1 granted patent·0 citations·filing 2021–2021

1Inventor score

Technology areasE21D

Files withCCTEB INFRASTRUCTURE CONSTRUCTION INVEST CO LTD1

Top patents by PatentIndex Score

1 record

0129US11898447B2Full-circle secondary lining inverted arch construction formwork system for long-distance tunnel and formwork transporting methodCCTEB INFRASTRUCTURE CONSTRUCTION INVEST CO LTD·Filed 2021·Granted Feb 13, 2024·0 cites·2 claims

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