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发明名称
Luftschallsender
摘要
申请公布号
DE608569(C)
申请公布日期
1935.01.26
申请号
DE1933M123405D
申请日期
1933.03.29
申请人
PAUL MUELLER
发明人
分类号
G10K9/20
主分类号
G10K9/20
代理机构
代理人
主权项
地址
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