NB/T 47065.1  支座 BⅡ 4494

BⅡ4494

PL600-25 fm=40S 80S550RFF=25.4 h=

SO 65A-25m

47065.2 A5946

2 A853

DN32-PN320 WN RJ Ⅱ S=6 A=4

PL 300(B)-16 RF4631

47065.2 A2080

PL 200(B)-16 RF330

47065.2 A1086 rf sch40 s=4ch10s S=480SF.562500-1.pampamp;amp;amp;�RF Ⅱ--Sw�FB)-63 RF148.5