GB/T 12459  等径三通 DN 550-14.27TSFF=1 ASME0RF sc

DN 550-14.27 TSFF=1 ASME0RF sc

WN700-300 RF ArfM6 R9(B)-1

PL250(B)-25g rf-10�-3.5 RC_13_

AXC-9-2048+3R RF WN10002h80 S

20625 LWN25-150 RF B=2

wn80(b)-63m000-0.6/t4/data/src/haibo.

47021RF1600-0.25616 Rf0MFs16 FF68uot

PL65-10FF AF b=9R4/

WN100-