GB/T 12459  弯头 DN 80-Ⅱ-490ES00-150 SpngR

DN 80-Ⅱ-4 90ES00-150 SpngR

WN125-150RFc6cR=40h/

WN50(B)-100 RF H0c2/u00a30-N300-16G/data

WN50-150 RF-500-1.

PL600(B)-6 fF/-¶/data/src/haibo.j

TH(NPT)15-300 RF C=28 f1

WN 300-600 RF Sch40S S=14

WN80(B)-100G0/1ic0

WN20-16RF500Gda0rf=h1c

WN100(B)-16