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发明名称
VORRICHTUNG ZUM VERSCHLIESSEN VON VENTILSAECKEN.
摘要
申请公布号
DE1839375(U)
申请公布日期
1961.10.12
申请号
DE196100H8821U
申请日期
1961.07.28
申请人
HERZBERGER PAPIERFABRIK L. OSTHUSHENRICH G.M.B.H.
发明人
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