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发明名称
SPRECHMASKE
摘要
申请公布号
DE1487486(B2)
申请公布日期
1972.10.12
申请号
DE19661487486
申请日期
1966.12.01
申请人
发明人
分类号
H04R1/08
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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