GB/T 12459  弯头 DN 1100-Sch6045E3D

DN 1100-Sch60 45E3D

wn 600(b)-16 rf s=12 hg/00

1 FM 1200-1.0F-1

PL 50(B)-25RF99/data

WN 25-600 RF=�

WN150-16 RFF=2

So100A-16rfå1

PL 50(B)-25RF99/data/srcL5

wn20B-100RFFFRFc

WN40-63 RJ Sch4-1356RF05940FRF.66550RF sch80sS/G schdata5 R50-150RF/0.6=18