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发明名称
Photographic copying apparatus
摘要
申请公布号
US1745956(A)
申请公布日期
1930.02.04
申请号
US19270189106
申请日期
1927.05.05
申请人
EUGEN SCHLESINGER
发明人
SCHLESINGER EUGEN
分类号
G03B15/08
主分类号
G03B15/08
代理机构
代理人
主权项
地址
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