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经营范围
发明名称
Ohrenschützer.
摘要
申请公布号
CH259105(A)
申请公布日期
1949.01.15
申请号
CHD259105
申请日期
1947.01.14
申请人
KAUFMANN,KARL
发明人
KAUFMANN,KARL
分类号
A61F11/06
主分类号
A61F11/06
代理机构
代理人
主权项
地址
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