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发明名称
Stock quotation projecting machines
摘要
申请公布号
GB403004(A)
申请公布日期
1933.12.14
申请号
GB19330013023
申请日期
1933.05.04
申请人
AUGUST DIETRICH EITZEN
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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