GB/T 12459  偏心异径管 DN 200×150-8RE

DN 200×150-8 RE

so40b)-16rfJ Sch80F 80S1@0�-R

wn80(b)-40m=ch10S55414h

WN25(B)-63 MF B10=5.16F4009 S55h0SO00(JFRJsRF@F SJ

pl150(a)-10 ff c=20 b=0 b1=170 d=2840CH16015

WN65-16RF S=4 D=175 K=140 n

so40-10rf s=3=1mpampampampampa

wn300(b)-16fm

BL 450B-