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发明名称
DICHTUNG FUER VAKUUM-SCHRAUBDECKEL.
摘要
申请公布号
DE1765687(U)
申请公布日期
1958.04.24
申请号
DE195800B2699U
申请日期
1958.03.06
申请人
BLECHWARENFABRIK GUSTAV GRUSS & CO.
发明人
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主分类号
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