GB/T 12459  翻边短节 DN 1300-Sch100LJS S=6ffb1

DN 1300-Sch100 LJS S=6ffb1

WN50-40RF B=53.1

BL100-16 RF

PJ/SE 500(A)-10 RF S=5a5 RJ�@RJFMFRFy/2FM@4SFch80Fsrcch1200R.5 �

PJ/SE 200(B)-10 RF S=3

PL 200(B)-16 RF

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