GB/T 12459  偏心异径管 DN 1300×10-Sch60REing.h5 FMA=

DN 1300×10-Sch60 REing.h5 FMA=

wn50-600 g sch80s592-2009.

pl500b-10tF25RF1n=300c5M16

20592 BL125B-25 RF

PL 600(B)-10 RF D=895 B=724 C=36 K=950 d=905 n=24 L=3

so200B-10rf00-1.06R45Hrue=N RF IIf00c3\

SO 50(B)-40 g

BL 600-300 RF.2FF

PL100(B)-16RF520RFF