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发明名称
Lautsprechervorrichtung
摘要
申请公布号
DE1437462(A1)
申请公布日期
1968.10.17
申请号
DE19641437462
申请日期
1964.10.26
申请人
SONY CORP.
发明人
KISHI,KANESUKE
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
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地址
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