HG/T 20592  法兰 LJ 500-63 RF

LJ 500(A)-63 RF

BL 25-25 RFR0

PL60-6RFRFRF2.5R0mpf�5 RJ-1671

SO 25-150 RF Sch80S/data

B PL 50"-150 RFF@F SR00RmpampamJ6m

SW25-300 M3Sd9@45@0-115RF150 RF0�§

A WN200-150 RF Sc

PL350(B)-10 fm

sop FF 5K 600AJ08rf@40@S5 RJrvlh40RFRFf sJRF.ï؟RF