HG/T 20592  法兰 PL 150(B)-16 RFa=22R0)-40 RF/-1

pl 150(B)-16RFa=22R0)-40 RF/-1

WN800(B)-16 G S56RF55-140FF0FRJ63cad.c

PL80(B)-16 RF00-06 RF S=8)-6

WN50B-63FM S=u00c2700-0BL)2

PL 150-16 rf)-40fm20S-5rf H1=82F

WN250-150 RF Sch40RF59d/data/src010.4/160-275H05.4T205R0010C10001f0

wn100b-16m01610RF05 RF