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发明名称
VERSTELLBARES GRABENVERBAUGERAET FUER MASCHINELL AUSGEHOBENE LEITUNGSGRAEBEN.
摘要
申请公布号
DE1845389(U)
申请公布日期
1962.01.18
申请号
DE196100C8687U
申请日期
1961.10.06
申请人
HANS VON CERVA
发明人
HANS VON CERVA
分类号
主分类号
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