GB/T 12459  偏心异径管 DN 750×10-Ⅱ-9REh160.062erserv

DN 750×10-Ⅱ-9 REh160.062erserv

wn32b-40rfs=8RF1wwFFLmp

WN 200(B)-63 FF S=4.5

WN25-300FM B

bl200-25rfch.0 h-4.0f1=3=105(-16S0

wn100(b)-150rf sch40s so-1.6/S=11.07

PL150(B)-16 RFFRF/2/uoth61000h8pampam�F HG/=3ampa Sch4F Ⅱb=52

3 fm800-1.6-0

BL