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发明名称
Improvements relating to photographic materials
摘要
申请公布号
GB540451(A)
申请公布日期
1941.10.17
申请号
GB19400006780
申请日期
1940.04.15
申请人
KODAK LIMITED;EDWARD PHILIP DAVEY
发明人
分类号
G01F15/00;G03C1/46
主分类号
G01F15/00
代理机构
代理人
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