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发明名称
Anordnung gegen unbefugtes Aufheben der Schutzwirkung von elektropneumatischen Alarmsicherungen
摘要
申请公布号
DE536704(C)
申请公布日期
1931.10.24
申请号
DED536704D
申请日期
申请人
FRIEDRICH SEEL
发明人
分类号
G08B13/20
主分类号
G08B13/20
代理机构
代理人
主权项
地址
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