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发明名称
Niederfrequenz-Lautsprechersystem
摘要
申请公布号
DE1166269(B)
申请公布日期
1964.03.26
申请号
DE1962R032869
申请日期
1962.06.06
申请人
STANLEY R. RICH
发明人
RICH STANLEY R.
分类号
H04R1/42;H04R7/10
主分类号
H04R1/42
代理机构
代理人
主权项
地址
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