GB/T 12459  偏心异径管 DN 100×40-Ⅱ-3.5RE

DN 100×40-Ⅱ-3.5 RE

BL100-300 RF RJ-RР16 RF b=

wn700b-300rf s=12L0RF-160amp;ampamp;amp;ampquot;hg20615

PL150()-6RF09=1-1.65-12f/140-RF

bL80(B)-2.5 RF.5 δ0=12&�ampampao.jpgf091/f04j0050R

PL150-16RF850 RF1.9F

BL00-25RFh40

so300b-6rfâ100 Mcm s

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