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经营范围
发明名称
Process of producing photographs and cinematographic films in natural colors
摘要
申请公布号
US1958830(A)
申请公布日期
1934.05.15
申请号
US19290370321
申请日期
1929.06.12
申请人
FRIEDRICH LIERG
发明人
LIERG FRIEDRICH
分类号
G03C7/26
主分类号
G03C7/26
代理机构
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地址
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