HG/T 20592  法兰 PL 125(B)-40 RF.0f k=2am�©б╘п╠Б∙≤п©860SN20-3=4.5

PL125(B)-40 RF.0f k=2am�©б╘п╠Б∙≤п©860SN20-3=4.5

47021FM500-1. S=top/ S=0B

wn32-16mF Sch806/200SCH=

pl15-25 rf=1650500

WN50(B)-25 m/pamp;a

JWN 100×150-150 RF Sch160

wn80-25rf s=10.5 я├Б

PL50-16RFu40S=4.50/kr

PL300-16RF h=20(a16Tou