HG/T 20592  法兰 PL 25(B)-16 FFS5S04080S.336 R

pl25(b)-16ffS5S04080S.336 R

PJ/RJ 125(B)-16 RF RJ

bl400(b)-10 rf/S/s+1021600rf- b6/u1

SO 200(B)-16 RF.5 Sch80Ss-ch46FFj2F/4

PL250B)-10RF B1=268

wn20a-300rfF S=4.2M 2000-0.2516 rf hg

bl80(B)-16RFch80Sr54666 D=7800-=S0.60 B1=

AXC-9=8ШұЪҲГў00

PL50