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发明名称
SICHERUNGSVORRICHTUNG GEGEN UNGEWOLLTES LOESEN DES KOPFSTUECKES VON VENTILEN.
摘要
申请公布号
DE1877317(U)
申请公布日期
1963.08.08
申请号
DE196300B3570U
申请日期
1963.06.12
申请人
BOPP & REUTHER G.M.B.H.
发明人
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主分类号
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