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发明名称
Vorrichtung zum Anzeigen des Erschoepfungszustandes katalytisch wirkender, wasserempfindlicher Filterschichten von Atmungsgeraeten
摘要
申请公布号
DE579874(C)
申请公布日期
1933.07.01
申请号
DE1930D015330D
申请日期
1930.09.06
申请人
Deutsche Gasglühlicht-Auer-Gesellschaft m.b.H.
发明人
分类号
A62B18/08
主分类号
A62B18/08
代理机构
代理人
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