HG/T 20592  法兰 SO 450-6 RF-10 R0-1.6/46-125b=3rf)00RH=10/54-11

SO450-6RF-10 R0-1.6/46-125b=3rf)00RH=10/54-11

wn600-150rf s=188rf sch8п═п├п╒Б─⌠п╒п▌п═Б─°п╒рё

LWN40-150 RF Sch80Sc8 A70-150531-t2

PL 400(B)-16 RF B=108

HG/T 20592-2009 WN50(B)-40 M�

PL300-25RF=5-1 D=100 d=58 B

WN3