NB/T 47065.1  支座 BⅠ 78639

BI 78639

BL 50-63 RFmp69960a

BI 77843

BL50-10RF(B)=RFrf-16fm0/0208

BL 80-6 RF.6 时2.5 RFRF400-6(

2 A9071

WN450a-40 RF

BL200-10RFh180400 RF S=7-1@RF8@S02&32htm00J R P

BI 77818

LWN 50-150 RF B=52 H=635.5 RJ-R�RF@RRF SCH40RF.5°FS10R@R4Sc2@RF@443-40