GB/T 12459  偏心异径管 DN 65×15-Sch40SRE REsÃ�RFc

DN 65×15-Sch40S RE REsÃ�RFc

pL200-6 RF2.7 S=6 fo20bآ¥أ¢â‚¬161

47023 -fm 700-1.6=46-1150-950RFRRF

47023 fm800-1.6 δ0=100-1.0M950

47021 M600-0.6RF0 sL.06FFS=10&q620

47023 fm600-1.0 δ=60 h=12

3 FM 700-2.5 δ0=66-

PL100-16 RF

47023 rf1100