HG/T 20592  法兰盖 BL 250-16 Mrfmpampa000RJ16m@pl1 w)-6 RF0@5@F301 w)

1 RF 850-14RFRF80s0

BL250-16Mrfmpampa000RJ16m@pl1 w)-6 RF0@5@F301 w)

IF 50(B)-40 RF/-1

DN1200/PN10/05A

WN200-25RFA=21

WN 400-10 RF41 RF116�╘0FS5 RJ0SM0 RF/�6rfcSRFM)

WN 50-300 RF

PL 200(B)-10RF

BI 168

PL 40(B)-16 RF500 RF SchF FF40RFF@47RFRf1am