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经营范围
发明名称
A REVERBERATION SPRING
摘要
申请公布号
GB1278884(A)
申请公布日期
1972.06.21
申请号
GB19700039261
申请日期
1970.08.14
申请人
AKG AKUSTISCHE U. KINO-GERATE GESELLSCHAFT M.B.H.
发明人
分类号
G10K15/10
主分类号
G10K15/10
代理机构
代理人
主权项
地址
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