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发明名称
Projection cathode ray tubes
摘要
申请公布号
GB644327(A)
申请公布日期
1950.10.11
申请号
GB19470021923
申请日期
1947.08.08
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
B25C1/18;H01J29/46
主分类号
B25C1/18
代理机构
代理人
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地址
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