NB/T 47065.1  支座 A 5584

47065.2 A5584

BL 50-16 RF352

BI 77755

SP-2525

bi 6724

3 B7296

bl80(b)-25 rfl65(b)rfmp

BI 4395

WN 500(B)-16 RF S=6

DN1000-PN2.5 PL RF ⅡH=1215RF0RF sch40 H=538150 RF H=1779-16 RF443927023p Sch40S rf1212/3B=21Sch40S S=8F590-f�=11600550 RF Sch10Suot;