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发明名称
摘要
申请公布号
DE604402(C)
申请公布日期
1934.10.20
申请号
DE1933Z021331D
申请日期
1933.10.28
申请人
发明人
分类号
H04B10/00;H04B10/04;H04B10/50
主分类号
H04B10/00
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代理人
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