GB/T 29465  法兰 C-M 1800-0.25/20S=&eq

5 CM 1800-0.2520S=&eq

BL100B-25 RF&wd=&

pl400-25rj510RFampa

wn250-300 ff sch62.4.

LWN 3"-400 STRF&ampampampampampampamp

1 RF 700-0.25 δs=5

WN400(B)-16FM S=8fpampampampampwd=&ampa

wn100a-25T= R°pl

sp-7-25

BL 15(B)-2.5 FFF5Ãf0 RFF/16/40mR