NB/T 47065.1  支座 BⅠ 75476Sef6ESm

BI 75476Sef6ESm

WN 25-40 RF S=100/7ch. 16 S40 S

WN50(A)-16 RF7580SSch8000 RFS60AMo25 RJFrf52

2 A5722

WN80(B)-16 RF9138

SO 400(B)-40 FM Sch160RF B=102RFnC5 R=6

3fm1200-2.5 RF-25

WN 40-150 FF Sch1602

BⅡ 18748

DN400-PN16PL1200a20 RFS=40RF6K 400A Sch10