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发明名称
DACHZIEGEL TRENN- UND BOHRVORRICHTUNG.
摘要
申请公布号
DE1631064(U)
申请公布日期
1951.11.22
申请号
DE195100W4041U
申请日期
1951.09.29
申请人
W. WIEDENFELD & CO. K.G.
发明人
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主分类号
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