GB/T 12459  异径三通 DN 350×350×40-Sch60TR28

DN 350×350×40-Sch60 TR28

WN 150(B)-25 RF150.055r/

WN200-63M8RFFt20615 23.5/50F/F

wn50(b)-600fm30RF

WN700(B)-16 RFfF S=6F S=400-4.0RF RF=

so150-16mmfmSch80SF

PL 25(B)-6 FFSch80=100

BI 1700-F(S)150 RF)-10RF5 RF550-1.0/38-12510

WN 25(A)-63 RF S=

wn15