NB/T 47021  法兰 C-RF 1000-0.6&ampampwd=&a

47021 C-RF1000-0.6&ampampwd=&a

bl200-300m

47021c-fm800-0.6

PL150(B)-10 RFss150 SO3c-rf030h40 S

SO 100-150 FF C=23 H=32.5

2 A1RF0 C6Fht=RF0050RF52-0-0

3 FM800-1.6

DN450-PN25 WN R-0.6/S=815rf)40)rpamp2h180

PL 800(B)-2.5 RF5090�

pl40b-16rf1=660