HG/T 20592  法兰 PL 50-16 RF9(B)-1

PL50A-16 RF9(B)-1

JWN 100×150(B)-25 RF Sch160

A WN 36"-300 RF B= S=12.7

BII 1000

SO 400(B)-16 RFF10s)-

WN32-300RFASME/10 FFL FFm� RF Sch405ARB@4002B)-00 FMRF@RF�RF

DN 20-4 90EL�‘Р�

WN 20-300 RF S=2.87

WN 80(B)-40 FM S=3

WN 450-150 R