NB/T 47065.1  支座 BⅠ 6093

bi 6093

DN 125-Ⅱ-4.5 90ES

WN 80(B)-16 RF

WN40-40 RF

SP-9573

WN 50-150 RF4761

DN400-PN40 WN RF A S=10

DN500-PN16 PL RF 1

BI 1000 h=470

BI 75209RF@-19/F00 rf0-RFSch4SS5 RJ3RF@AFF@5c20RF50 RF Sch2946Â1/n50(3 n40s-14s1.@RFSp&@t50RRF)S Sch40 S=62@Fj@5