NB/T 47065.1  支座 BⅡ 4136

BⅡ4136

PL 50(B)-16 RF17

WN 50-150 RF8466

WN 50-600 RF

WN 10"-150 RF

NB/T47065.3 B3

3 B666

BI 75952

WN 50-150 RF8731

47065.3 B9949RFtm40S�40H@RH@B)-16 RF S=66��&a0L1h80Sm40SF0RF79F650-146-1 RF Sch6F056j@5@F0047750 RF49 S=5.5d=58 C=14G/SS8rf50 R