NB/T 47023  法兰 C-T 650-4

3 CT 650-4

LWN50-150 RF H=372

DN 300×200-Ⅱ-4 RC�©б╘п╠0

bi 5619

WN 600-150 RF Sch40S

WN600(B)-16 FF S=12 Rh40larfh/

LWN 150-900 RF Sch80

BI 13147

WN40(B)-600 RF Ru041¸q

bi 777916 RF S=95�Fj@5c2@RF@4439h405sFF B0 RF H=362 Sch57F B=3000 R