GB/T 12459  偏心异径管 DN 100×50-Ⅱ-Sch40SRE

DN 100×50-Ⅱ-Sch40S RE

WN 100(B)-63 M S=8.

BL200(B)-63RF30G49.1PL10(B)-10N=120.RFR4r

WN100-150FFSC�pa70)-c000Fs/

so300-16rf4RF Sc.RJKH=

DN150/PN16/05B/8F S

wn80-63 rf hS=1

BL200-100 FM0.60RF0-700-1.

WN 20"-600 RF Sch100 b0RF RFF1F�50-Sc

WN