Inventor · disambiguated record

Shengwen Shang

Also filed as: SHANG SHENGWEN

1 granted patent·0 citations·filing 2013–2013

4Inventor score

Technology areasF17C

Files withSHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD1

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1 record

0133US9890906B2Floating ball filling-control device for cryogenic tankSHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD·Filed 2013·Granted Feb 13, 2018·0 cites·7 claims

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