HG/T 21574  吊耳 HP-11

HP-1100pa

47021 RF400-1.0δ=35 d=1815

wn 600(b)-25 rf b=5

DN20-PN16 PL RF Ⅱ�l30/10-10fm20

WN 500(B)-40 RF1asS)-rf t-1.0F3F25250RFRF Sff2450-1

WN20-16 RF S=3fm9s

BL300(B)-100 RF.0F80FM7

WN 50(B)-40 G S=6

WN25-300 T Sch40400-600rj5g§â

WN15(B)-