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发明名称
Selbstkassierende Sprechmaschine
摘要
申请公布号
DE535488(C)
申请公布日期
1931.10.10
申请号
DE1929P061535D
申请日期
1929.10.27
申请人
POLYPHONWERKE AKT.-GES.
发明人
分类号
G07F17/30
主分类号
G07F17/30
代理机构
代理人
主权项
地址
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