NB/T 47065.1  支座 BⅠ 100020005

nt/@BI 100020005

BL450-25 RF

SO 500-6 FF

SO 500-6 RF

WN100-150 RF Sch40

BL400-25 RF

SO 500-6 RF

WN 4"-600 RF S=8SB/@5@SSF0@RFJ@5c23RF@A43RF@A

WN80(B)-16 RF

BL350-25 RF0300RFFPL RF Ⅱ0RF�@RF@4¢80B RF Sch80S-C-R71 RF Sch80S ScF0fh0SCHS0RF RFR