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发明名称
Automatic copying machines
摘要
申请公布号
US2774290(A)
申请公布日期
1956.12.18
申请号
US19520281617
申请日期
1952.04.10
申请人
MORMANN JACKSON F
发明人
MORMANN JACKSON F.
分类号
G03B27/30
主分类号
G03B27/30
代理机构
代理人
主权项
地址
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