NB/T 47065.1  支座 BⅠ 78428

BI 78428

BI 4632

WN 50(B)-16 RF719

IF 500-40 RF

BII 24960

WN 2"-600 RF SH=2

WN 300(B)-16 RF S=2469

BL 100-300 RF5h0 T159 b=145RFT40Sam

BII 36000

DN250-PN40 PL RF Ⅱ FM Sc-16 r�fot;-150 RF4RF��JFRJsRF@ Sch S050R-T9119h80N10 PL RF Ⅱ81 C-R