HG/T 20592  法兰盖 BL 100-160 RF-f)-10RF=60

BL100-160 RF-f)-10RF=60

BL100-16RFC=120000CH80200-3012.30

3 A6

PL 350(B)-40 RF C=58 f1=4

BI 600

PL125B-6 RFpampa m126-220am-2S=RJ scFu0090S=rf608B

LWN 40-300 RF B=41 b=140R

LF/SE 80-300 RF Sch4003 c=429qid=7

SO 450(B)-16 RF

wn150-150 rf,sch6L=25�r