HG/T 20615  法兰盖 BL 65-150 RF60-0.25

BL 65-150 RF60-0.25

pl65-16T

B WN1200-300 RF

PL50(B)-16FF b=4

wn 350-300 rf

PL600B)-10RF.916f

wn25-300 m

wn100-300 rj ã¦ëœâ¯=10

WN400B-25RF0--1

WN 150-300 FM9h40 c=22.3 l=18 n=4 d=190 k=152.4 h=68S FF Sch1H=45 L=14H=400Fampampampampamp;amp;amp;