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经营范围
发明名称
Mode de fixation de filtres de matières en suspension pour appareils de protection de la respiration.
摘要
申请公布号
BE605224(A1)
申请公布日期
1961.10.16
申请号
BE19610605224
申请日期
1961.06.21
申请人
OTTO HEINRICH DRAEGER
发明人
OTTO HEINRICH DRAEGER
分类号
A62B23/00;B01D46/00;B01D46/24;B01D46/52
主分类号
A62B23/00
代理机构
代理人
主权项
地址
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