NB/T 47021  法兰 C-FM 500-0.6 δm0- b04030-

1 CFM 500-0.6 δm0- b04030-

BL2"-600 RJ h Sch40Sb)- so300-150rf03.5 RF

47023FF800-1.0/50 rf¢Ã¥Ã00-1.

WN 40-150 RF S=6

B WN800-150RF S=10 B=7

LWN25-150RF B=2520

SO 1 1/2"-150 RF0-4.00-4.RFF4-600 r

LWN80-600RF Sch40.6/116-250F0/)S

P