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发明名称
Tonwiedergabegeraet zum Ansetzen an einen Telefonhoerer
摘要
申请公布号
DE1277352(B)
申请公布日期
1968.09.12
申请号
DE196600C0343
申请日期
1966.10.11
申请人
ROBERT JAMES COOKE
发明人
COOKE ROBERT JAMES
分类号
H04M1/215
主分类号
H04M1/215
代理机构
代理人
主权项
地址
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