HG/T 20592  法兰 PL 100(B)-10 FF.0F

pl100b-10ff.0F

WN 25-150 RF Sch40S

wn 80-63 Rf

鞍式支座 BI 800-F h=250

PL 450-16 RF

WN RF 16K 50A Sch40S

so80-25 RF

LJ 2"-150 RF Sch40

WN 50(B)-16 RF

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