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经营范围
发明名称
Improvements in or relating to cinematograph and like apparatus
摘要
申请公布号
GB411813(A)
申请公布日期
1934.06.11
申请号
GB19320025183
申请日期
1932.09.09
申请人
WARREN DUNHAM FOSTER
发明人
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
主权项
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