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发明名称
Abgedichtete Mikrofonkapsel
摘要
申请公布号
DE886757(C)
申请公布日期
1953.08.17
申请号
DE1941S010537D
申请日期
1941.06.27
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
SOLDAN OTTO
分类号
H04R21/02
主分类号
H04R21/02
代理机构
代理人
主权项
地址
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