HG/T 20592  法兰盖 BL 200-16 RF∞¬†9�⌠е

bl200(a)-16RF∞¬†9�⌠е

WN 25(B)-40 RF S=10

47023 g 500-1.65

WN25-600FM-Fn1=8 snSFD0RF RF Sch80SB)

LWN40-150 RF SCH40S H=313h80SScf 2Fc4Sch160F1.0F80FM70 s

PL 50(B)-16 RF S=3.5´=14 S1=12F=20 f1=3RFC=53 HM2200-1

BL150A-6FFBB=92RF0 S1=10/7

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