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发明名称
Stock quotation projecting machines
摘要
申请公布号
GB394272(A)
申请公布日期
1933.06.22
申请号
GB19330002900
申请日期
1933.01.30
申请人
NEWS PROJECTION CORPORATION
发明人
分类号
G03B21/134
主分类号
G03B21/134
代理机构
代理人
主权项
地址
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