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经营范围
发明名称
Improvements in or relating to film gates or the like
摘要
申请公布号
GB367113(A)
申请公布日期
1932.02.18
申请号
GB19310000825
申请日期
1931.01.09
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
分类号
G03B1/48
主分类号
G03B1/48
代理机构
代理人
主权项
地址
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