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发明名称
RUECKDREHSPERRE FUER TANKABSPERRVENTILE.
摘要
申请公布号
DE1898997(U)
申请公布日期
1964.08.20
申请号
DE1964A021565U
申请日期
1964.04.13
申请人
ARMATURENWERK NIEDERSCHELD G.M.B.H.
发明人
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主分类号
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