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发明名称
Process of making photographic silver salt emulsions
摘要
申请公布号
US1901441(A)
申请公布日期
1933.03.14
申请号
US19310549577
申请日期
1931.07.08
申请人
STEFAN FRANKEL
发明人
FRANKEL STEFAN
分类号
G03C1/015
主分类号
G03C1/015
代理机构
代理人
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地址
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