HG/T 20592  法兰 PL 50(B)-10 RF B=BSPT 2"

PL 50(B)-10 RF B=BSPT 2"

PL 200(B)-6 RF B=208/1

BL40-150RF6RF2.5F 5-300 RF B=Sf/

WN 25(B)-16 RF S=3

WN 400-300 RF S=10

PL 250(B)-10 RF0c3216 ff0 FF095B-407 S=mpam Sch823RF

WN50a-25 RFA=76A150u0097/data

20592 so300b-16 rf/560925f0-Go/600(B)-10-60