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经营范围
发明名称
Improvements in or relating to cinematograph cameras and projectors
摘要
申请公布号
GB344514(A)
申请公布日期
1931.03.09
申请号
GB19290037614
申请日期
1929.12.07
申请人
ARTHUR WILLIAM KINGSTON;SPICERS LIMITED
发明人
分类号
G03B21/32;G03B21/44
主分类号
G03B21/32
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代理人
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