HG/T 20592  法兰 WN 200(B)-25 FM S=16

WN 200(B)-25 FM S=16

WN40-40RJ606.030n RF206 M RF0 RF Sch0 RF Sch40S100@� s5c@crf)rfim 6�

WN 40-150 RF

2 RF 900-1.6 δ1=8

PL 80(B)-10 RF

SO 32(B)-25 M

WN200(B)-16 RF

PL100(A)-10 RfR1602000F09fBRFF@2F�F Sch.20a

WN 40-300 RF

DN600-PN10 WN RF I S=