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发明名称
PHOTOGRAPHIC COMPOSITION
摘要
申请公布号
CA409647(A)
申请公布日期
1942.12.29
申请号
CAD409647
申请日期
申请人
E.I. DU PONT DE NEMOURS AND COMPANY;DU PONT FILM MANUFACTURING CORPORATION
发明人
EDMUND B. MIDDLETON;ANDREW B. JENNINGS
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