HG/T 20592  法兰盖 BL 80-63 FMsso30 RF Sch40S0 RF Sch40S RF Ⅱ&ampamp

BL 80-63 FMsso30 RF Sch40S0 RF Sch40S RF Ⅱ&ampamp

WN100-150 RF Sch20 H=6r1000(c

BI 580J5 RJ RF-R1h=102.5-1ذ¨آ°ذ¨ز¹ذ¨ر‍ذ’

WN 32(B)-100 Mpwd=&a

wn80-150rf b=77-1500 RF00º40@440

PL 15(A)-10 RFL�00efFSCH160H0-16

BL 80-300 RFh=