HG/T 20592  法兰盖 BL 350-40 G9-10r50RSch20=32mHG

bl350-40g9-10r50RSch20=32mHG

PL125(B)-6RFC=30 RF S=10�п500f9

pl40b-16rf b=&�amp06-rs=10F)- S S4

BL 300-10 RF0RB/230510 RFe150-)-1ngeCH40l202RFRRFE25

SO 40-25 RF��–°TR=1.6FMh=4/0

PL150-16RF0S6 R0B1906015.5Sch0S RF Rrj1/20/1ch4h.6F/1a).6

SO