HG/T 20615  法兰 SO 50-150 RFFF2 f1=data/J F RF

SO 50-150 RFFF2 f1=data/J F RF

SO 3"-150 RF

WN 50(B)-25 FM

pl65b-10rf1001法兰pl65(b)-10rf009WN

SO 32(B)-25 M b=3

SO 4"-150 RF

PL20(B)-16RF

SO 150(B)-16 M

wn500(b)-10 gc6/urf00-5pampF6B)5F&@t.5

wn25-40rf s=6.5 &ampampampamp;amp;ah4000-S