NB/T 47023  法兰 RF 900-4.0 RFSch/RF

3 RF 900-4.0 RFSch/RF

LWN 200-300 RF

PL300(B)-2.5 RF

1 FM 900-0.25 δs=12

SO 1"-150 RF

WN150-900rfR6 RF0rfF scsch2S5 RJbР-&F SFM14=F-1@RF8@S02&3F5c

BL 400-10 RF

WN 14"-300 RF Sch10S

WN 300(B)-16 RF S=4

A WN 800-300 RF S=6F-1sБ∙║п�B