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发明名称
Verfahren zur selbsttaetigen sprachlichen telephonischen Zeitangabe
摘要
申请公布号
DE595224(C)
申请公布日期
1934.04.06
申请号
DE1931B151290D
申请日期
1931.07.25
申请人
EDOUARD BELIN
发明人
分类号
H04M3/487
主分类号
H04M3/487
代理机构
代理人
主权项
地址
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