GB/T 12459  弯头 DN 30-Sch80S90ES5/885B)-25==-4

DN 30-Sch80S 90ES5/885B)-25==-4

WN15B-25Ms=14r0/8-16

WN32(B)-100FMS=4=9 h

wn40(b)-25 rf 45RF B=52F0

WN 200-300G@bi 10G�16rfrf24-10 RF60-140-25FM

wn150-300rf b/u00c3/-150f 3

BL 20016-16 RF1015RF01613 C=17

BL40(B)-25RF5 RFH=9573SM080500

WN700B-10 RF1