GB/T 12459  同心异径管 DN 65×50-5.16RC0S2@RF0�h0RF Shbh16R7.5 RJ

DN 65×50-5.16 RC0S2@RF0�h0RF Shbh16R7.5 RJ

1 FF 450-10.afS6

pL80(B)-10 RF-RFT91

PL 450B-16 RF��1BRF

47023 C-FM 1000-2.5 h=48F Sch800(b)-16rf60FMR0 RF SA4 FF2M6RF=240RF18t s

PL600-16FF b04/

WN 50-150 RF S=10 B=56

WN 25-150 RF S=4.5526(b)-1

BL5