GB/T 12459  异径三通 DN 1000×1000×700-Sch120TR

DN 700×700×1000-Sch120 TR

WN50-600 RJf1sch40)-FR

WN 200(B)-25 T S=12FM Sch40S S=

A BL700-600 RF00RF50бsch9860-0Gf6

SO150-150RF(B)-16RFh4RF b=4 RFJ-10mpa

47021 rf800-1.0 ãžâ´=10

WN700-300 RF

so150(b)-25gfm

wn25b)-40rfR/00 RF S=16/Sch40l40 Bmpam