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发明名称
APPARATUS FOR DEVELOPING PHOTOGRAPHIC PRINTS
摘要
申请公布号
CA299656(A)
申请公布日期
1930.04.29
申请号
CAD299656
申请日期
申请人
BENJAMIN JAMES HALL
发明人
BENJAMIN JAMES HALL
分类号
主分类号
代理机构
代理人
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