GB/T 9124.1  法兰 DN25-PN63 BL Ⅰ S=20�S=3.5

DN25-PN63 BL S=20�S=3.5

wn 1000(b)-10rf s/data/src/haibo.jpg

BL50(B)-16 RF5sf�=7WN S=2

WN100-300 RF Sch400c3100000-110f b=328615

WN250(B)-16 RF S=101=/

WN80-300 RFRFSch80SFF5 RF808-1 RF(B)-.5-1.000-4. 15

BL150-6 RF�=46 H=116mpa0RF D

SO10B-25G5/