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发明名称
Leichte Sprechkapsel fuer Abfragegarnituren od. dgl.
摘要
申请公布号
DE1040603(B)
申请公布日期
1958.10.09
申请号
DE1957K032216
申请日期
1957.06.18
申请人
KRONE KOMMANDITGESELLSCHAFT
发明人
MUCHE ALFRED
分类号
H04R21/02
主分类号
H04R21/02
代理机构
代理人
主权项
地址
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