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经营范围
发明名称
Als Mikrophon und Hoerer verwendbare Telephonkapsel
摘要
申请公布号
DE1177685(B)
申请公布日期
1964.09.10
申请号
DE1962S080755
申请日期
1962.08.04
申请人
S. E. A. SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME
发明人
GORSE PIERRE JOSEPH
分类号
H04M1/03;H04R11/00
主分类号
H04M1/03
代理机构
代理人
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