HG/T 20592  法兰 PL 450-16 RFfo3.5650RF20R

pl450-16rffo3.5650RF20R

2 FM 700-1.6 δ1=10

BL350-100RJ00G1.0/70000п©lsãn00rf

Wn80-16 RF

pl150a-10RFwn65-250m/Sch80S

WN 25-150 RF S=4.5

DN700-PN6 PL RF. A

3 RF 1200-0.620δ0=1

WN 150-600 M Sc.033740RF S=5bb=33RF0 H=16/F Sch60ch4045)FS=3-

WN50-150