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发明名称
Tonabnehmer fuer Schallplatten
摘要
申请公布号
DE1522997(A1)
申请公布日期
1969.10.23
申请号
DE19661522997
申请日期
1966.10.10
申请人
ELECTRO-VOICE INC.
发明人
E. VAN DE KOPPEL,PAUL
分类号
B60G21/067;H04R1/16;H04R17/08;H04R31/00
主分类号
B60G21/067
代理机构
代理人
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