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经营范围
发明名称
Vorrichtung zur Foerderung der menschlichen Nasenatmung
摘要
申请公布号
DE902667(C)
申请公布日期
1954.01.25
申请号
DE1951T005529
申请日期
1951.12.30
申请人
HEDWIG TRAPPE, GEB. SPECKIN
发明人
SPECKIN HEDWIG TRAPPE, GEB.
分类号
A61F5/56
主分类号
A61F5/56
代理机构
代理人
主权项
地址
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