NB/T 47065.1  支座 BⅡ 4234

bii 4234

WN25A-63RF S=≥4.5f

SO125(a)-16 RF b=4

BII 34354

SO125(a)-16 RF

DN300/PN10/01A615 wn450-600r

BI 70977

PL120(B)-10 RF/oth)-10rfF bM

BII 28335

WN 1 1/2"-600 RF S=7.1quot;-150 RF B=Sch80S¦Â° so150(b)-16 rf6RF-150 RFSch4EQ Nh8h