HG/T 20592  法兰 WN 516-10 FF5FrvF02059-1

DN150-PN25 WN516-10FF5FrvF02059-1

pl15(B)-10rf-rf1h40S)-10rdB)RF R

PL 15(B)-16 RF b=30s)-10 rf

WN80-300RFBFff-rf6/540f/.6ГӮВ°

法兰SO25-300RFR=p00f000-1

so100(b)-16rf/invoker=jmxin

PL350-16RF D=51RFR B�0

SO 250(B)-16 RFJ.5/FF D=385000

PL200