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发明名称
Transportables elektrisches Hörschärfemeßgerät.
摘要
申请公布号
AT145982(B)
申请公布日期
1936.05.25
申请号
ATD145982
申请日期
1935.05.11
申请人
ING. KARL SPIELMANN;DR. FRITZ GROSSMANN
发明人
ING. KARL SPIELMANN;DR. FRITZ GROSSMANN
分类号
主分类号
代理机构
代理人
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地址
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