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经营范围
发明名称
Improvements in or relating to the recording of sound tracks on film intended for colour photography
摘要
申请公布号
GB626726(A)
申请公布日期
1949.07.20
申请号
GB19460035489
申请日期
1946.11.29
申请人
GEOFFREY BOND HARRISON;ILFORD LIMITED
发明人
分类号
G03C7/24
主分类号
G03C7/24
代理机构
代理人
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