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发明名称
Einrichtung zum Selektivschutz
摘要
申请公布号
DE497394(C)
申请公布日期
1930.05.07
申请号
DE1927M098412D
申请日期
1927.02.19
申请人
DR. PAUL MEYER A. G.
发明人
WALTER MICHAEL
分类号
H02H7/26
主分类号
H02H7/26
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