GB/T 12459  等径三通 DN 1400-Sch120TSRF5 R408fm s=

DN 1400-Sch120 TSRF5 R408fm s=

bl50-10rfd=10225RB)-6 RF0RF-40F

PL100B)-10RF D=210 d=15

WN50(a)-600RjH=1=/50/20090RF00-1RFgH8

wn 20-150 rf049-RF6f026 d=150SM b0-1D=135=1;amp;

3 T 450-0.620

20592 WN15-10RF K=75 C=19. Sch80

BL 20(B)-16 RFҖpampSFB)-

BL