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经营范围
发明名称
Elektromagnetischer Schallgeber.
摘要
申请公布号
AT127087(B)
申请公布日期
1932.02.25
申请号
ATD127087
申请日期
1930.07.17
申请人
PAUL HAASIS
发明人
PAUL HAASIS
分类号
主分类号
代理机构
代理人
主权项
地址
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