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经营范围
发明名称
Tonabnehmer zur Wiedergabe von Zweikomponentenschrift
摘要
申请公布号
DE1119534(B)
申请公布日期
1961.12.14
申请号
DE1960E018816
申请日期
1960.01.29
申请人
ELECTROACUSTIC GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
FREYMARK DR. RER. NAT. HELMUT
分类号
H04R1/16
主分类号
H04R1/16
代理机构
代理人
主权项
地址
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