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发明名称
Adding machine cover mechanisms
摘要
申请公布号
US3180572(A)
申请公布日期
1965.04.27
申请号
US19630315509
申请日期
1963.10.11
申请人
UNDERWOOD CORPORATION
发明人
GALLANT REGINALD R.
分类号
B41J29/13
主分类号
B41J29/13
代理机构
代理人
主权项
地址
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