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Inventor
SUN FUCHAO
CN
2 patents
Patents
2 patents
US9828831B2
Nov 28, 2017
Bridge type concentric continuously adjustable water distributor
PETROCHINA CO LTD
0 citations
44
US9874089B2
Jan 23, 2018
Bridge type concentric direct reading testing and commissioning instrument
PETROCHINA CO LTD
0 citations
34