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发明名称
Duplicating machine
摘要
申请公布号
US2234973(A)
申请公布日期
1941.03.18
申请号
US19380207729
申请日期
1938.05.13
申请人
DITTO, INCORPORATED
发明人
MARCHEV ALFRED
分类号
B41L7/08
主分类号
B41L7/08
代理机构
代理人
主权项
地址
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