GB/T 12459  翻边短节 DN 1000-Sch80LJS0SampampfR

DN 1000-Sch80 LJS0SampampfR

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WN80B)-63FM.5/ch8f

pl25(b)-16 Rf2.5

WN100B-300FM SCH4b-1

SO 3"-150 RF

WN150(B)-100M/0.

wn125-1500rfBp0r��77.5 RJ50 SFMquot

WN125-150 RF SCH10S2/data/

DN100-Sch40 TS rf 30R-F