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经营范围
发明名称
Vorrichtung zur Hoerschwellenanzeige in Audiometern
摘要
申请公布号
DE1952362(A1)
申请公布日期
1971.04.29
申请号
DE19691952362
申请日期
1969.10.17
申请人
KRUPP GMBH
发明人
GOETTSCH WERNER
分类号
A61B5/12;A63H33/10
主分类号
A61B5/12
代理机构
代理人
主权项
地址
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