Inventor · disambiguated record

Bihua Xuan

Also filed as: XUAN BIHUA

1 granted patent·2 citations·filing 2018–2018

17Inventor score

Technology areasB21L

Files withHangzhou donghua chain group co ltd1

Top patents by PatentIndex Score

1 record

0165US11079216B2Chain intelligent pre-tensioning and chain length detection method and device thereofHangzhou donghua chain group co ltd·Filed 2018·Granted Aug 3, 2021·2 cites·8 claims

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