GB/T 12459  异径三通 DN 50×50×32-Ⅱ-4TR61

DN 50×50×32-Ⅱ-4 TR61

SO50B-16rf00-1.0/50-100/256/54-54R80s5h5

WN 40-150 RF r/15B RF S

WN80B-63M S=4 s=8Ff0-1.033.7

BL450-16fF/rf06033 c=46 d

PL40(B)-16 RFSRJ16RFpnbsp10F SCH4-f0-4/3.5fm

WN150B-40M)-16 RFs—Ж—С—Д

bl25(b)-16ff09bl400-16rf

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