NB/T 47021  法兰 FF 350-1.0 δs592ampampampampJ-1671SF RFRï؟½@4ï؟½o@40(40F@4Fch4

1 FF 350-1.0 δs592ampampampampJ-1671SF RFRï؟½@4ï؟½o@40(40F@4Fch4

bl5000-6rf2

WN 20-150 RF S=4

SO 150-150 RF

PL65(B)-10 RF9Foaomatosf/j

BL 65-16 FF

WN300(B)-25 RF

WN400-150 RF Sch40600-4.0/forum.htm

BL 1/2"-150 RF

SO 450(B)-10 FM00F10a)0@R