NB/T 47065.3  耳式支座 B9

47065.3 B9493

DN25-Class150 BL RF

wn500-25rf-4

BL 25-16 RF

PL200B-16RFtF8r6

TH 2"-150 RF

A 1300

bl150)-16 rf1rf

WN350-900RJ S=20FRF150RFF=

NB/T47023 FM650-4.0 H=150 δ0=≥100SF S0RF Sch10S90F FF.102404‚´-) Rch4755-R@0000O0@00 S rf 1JsR40S