GB/T 12459  等径四通 DN 350-Sch30CRS1150 rf b1500f6RF

DN 350-Sch30 CRS1150 rf b1500f6RF

WN10B-100G/um.ht90-1 C914rf l20δ0=1

WN450(B)-16RF S=16.6/ BL0RF S=40RF

5 FF 300-1.020δ0=200RF RF ScH40�02h205rf/35 S

WN 300-40 RF S=1500-1.h050100-4

wn125-63 gad0-0-0.6/60-40FF1.5fF

hg/t20615+wn250-150rf+5 rf c

4