GB/T 12459  同心异径管 DN 1500×10-Ⅱ-9RCC405RFRFCb

DN 1500×10-Ⅱ-9 RCC405RFRFCb

WN10(A)-40 Tb=0�РІв

PL 100(B)-16 FF

WN 350(B)-100 RF Sch80S6/

WN100-10MF00(RF Sch1RF f1=2.5 D=M S=6F25 fm2F6HG20F

3 FM 450-1.6 δ0=12

WN 80-150 RF S=5.49-280F s56 RF=4

WN125(B)-100 RF FMpwd=&

WN 800(B)-16 Mp;F

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