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发明名称
Power drive for cyclical record machines
摘要
申请公布号
US1991686(A)
申请公布日期
1935.02.19
申请号
US19320591269
申请日期
1932.02.06
申请人
AMERICAN SAIES BOOK COMPANY
发明人
LISTER JAMES T.
分类号
G06C23/06
主分类号
G06C23/06
代理机构
代理人
主权项
地址
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