GB/T 12459  弯头 DN 100-Sch4090ELlF100-F7F=3

DN100-Sch40 90ELlF100-F7F=3

PL200-10FFHG/50L=6=5-m0Sch400RF S=104-2

wn150b-25 rf0D=6000.2

BL500-150M-

47023M1100-2.5)/330-15nam

wn65(b)-25 rf s=5rfRF

20634 WN250-150 RF/16rf102 c=rf b=2.5/f00(70-03 LÅ

PL150(a)-16RF d=210Ã0.6052

SO15B)-16 RF120R05f0