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经营范围
发明名称
Anordnung zur automatischen Wahl von Fernsprechnummern
摘要
申请公布号
DE961550(C)
申请公布日期
1957.04.11
申请号
DE1955H023045
申请日期
1955.02.20
申请人
FRIEDRICH-KARL HILKE
发明人
HILKE FRIEDRICH-KARL
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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