NB/T 47065.1  支座 A 1747

2 A1747

lwn300-2500 rj/u00c3/u0083/u00c2

NB/T47065.4 A2

WN 65(B)-63 RF S=10

WN50-300RF SCH40S96 b=-10RF2RF Sc

DN125-PN100 WN G Ⅱ S=6.3

WN 80-150 RF5 RFsource=chat d=78

WN25-40RFS=/ RF50c1.6-10Srf84fBf.250

WN 65(B)-100RF S=10

WN 50(B)-100 RF7655 S R