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发明名称
Tool
摘要
申请公布号
US2164574(A)
申请公布日期
1939.07.04
申请号
US19370134120
申请日期
1937.03.31
申请人
PACKARD MOTOR CAR COMPANY
发明人
CHRISTMAN JOHN M.
分类号
B24B39/02
主分类号
B24B39/02
代理机构
代理人
主权项
地址
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