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发明名称
Tool for applying dust guard caps to journal boxes
摘要
申请公布号
US2140334(A)
申请公布日期
1938.12.13
申请号
US19360118515
申请日期
1936.12.31
申请人
UNION TANK CAR COMPANY
发明人
JR. JOSEPH J. ROOT,
分类号
B25B27/00
主分类号
B25B27/00
代理机构
代理人
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