GB/T 12459  弯头 DN 1150-Sch10045EL

DN 1150-Sch100 45EL

SO 15B-300 RF.5F100(B)-16

PL25A-16 FF1

WN200(B)-40G00-1

WN50-63FM40rfscf03/F Sch80 S=122600-1.6F010RF=6 RF000

WN 15-150 RF WN125-16RF19/60

SO100(A)-16 GG/T20592F RF SD= R8

so250(b)-10rf sã¯â

lwn300-1500 rj sch40/F(B)-16RF

wn200