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经营范围
发明名称
Process for the production of photographic pictures in natural colors in accordance with the threecolor principle
摘要
申请公布号
US2159683(A)
申请公布日期
1939.05.23
申请号
US19360098979
申请日期
1936.09.01
申请人
SIMEON PAPADAKIS
发明人
BEAUVAIS MARCELLE
分类号
G03C7/46
主分类号
G03C7/46
代理机构
代理人
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