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发明名称
Membran mit Schaumstruktur fuer Lautsprecher
摘要
申请公布号
DE972185(C)
申请公布日期
1959.06.04
申请号
DE19500004438
申请日期
1950.10.18
申请人
PODSZUS EMIL DR.
发明人
PODSZUS EMIL DR.
分类号
H04R7/02
主分类号
H04R7/02
代理机构
代理人
主权项
地址
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