HG/T 20592  法兰盖 BL 25-160 RF3B5uot

20592 BL25-160RF3B5uot

WN150-150 RF B=152

WN150-16 RF Sch40

A BL 650-300 RF

WN150-40 RF S=6.5

WN150B-300 RF

A WN 1"-150 LFMRF6data@f2s1�FFRFamM0 46/110Sch8

WN 25(B)-25 RF S=4

WN20-16 RJ

WN20-300 RF Sch40 S=3pampampamp;ampamp;ampampampamp;nbsp;