Inventor · disambiguated record

Peiwen Chang

Also filed as: CHANG PEIWEN

1 granted patent·9 citations·filing 1998–1998

31Inventor score

Technology areasF16F

Files withCHINA TDJ SYSTEM RES CT1

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1 record

0130US6182575B1Adjustable stop-wagon retarders with locking function for wagons at high speed and disposal methods thereofCHINA TDJ SYSTEM RES CT·Filed 1998·Granted Feb 6, 2001·9 cites·17 claims

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