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发明名称
TUERSCHLUESSEL-SICHERUNG.
摘要
申请公布号
DE1985536(U)
申请公布日期
1968.05.16
申请号
DE196800B4577U
申请日期
1968.02.13
申请人
MARIA BRANDT
发明人
MARIA BRANDT
分类号
主分类号
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