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经营范围
发明名称
Improvements in or relating to combined kinematographic and sound record films
摘要
申请公布号
GB346616(A)
申请公布日期
1931.04.16
申请号
GB19300018077
申请日期
1930.06.12
申请人
KODAK LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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Verfahren zur Herstellung eines kupferhaltigen Farbstoffes.