NB/T 47065.1  支座 BⅠ 148390 RF Sch40sG Sc

BI 148390 RF Sch40sG Sc

47065.3 B7549

WN450-300RF S=1800f00c3/u0

SP-6947

2 A5872

WN 300(B)-16 RF S=1675

pl500(a)-10 RF0F49RF00hpwd&;ah1Sc

WN 50(B)-16 RF6120 RFpam22F&@��@R-R@0040S@°F1=6 R5 δ1=14

WN80(B)-16 RF4715700S=60RF81800 r

BI 75437565ch