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发明名称
PHOTOGRAPHIC COPYING APPARATUS
摘要
申请公布号
CA302364(A)
申请公布日期
1930.07.22
申请号
CAD302364
申请日期
申请人
SILFREE AKTIENGESELLSCHAFT (SILFREE LIMITED)
发明人
CARL ROEHRICH
分类号
主分类号
代理机构
代理人
主权项
地址
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