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发明名称
Process and photographic material for the production of photographic records and copies which are corrected for tone value
摘要
申请公布号
US3141773(A)
申请公布日期
1964.07.21
申请号
US19580713360
申请日期
1958.02.05
申请人
AGFA AKTIENGESELLSCHAFT
发明人
HELLMIG EHRHARD
分类号
G03C1/46
主分类号
G03C1/46
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代理人
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