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发明名称
BAUKOERPER FUER EIN KANALBAUWERK ZUR ENTWAESSERUNG UND BELUEFTUNG EINES ERDREICHES, MAUERWERKES OD.DGL.
摘要
申请公布号
DE1874484(U)
申请公布日期
1963.06.20
申请号
DE196300G7448U
申请日期
1963.02.20
申请人
ARTHUR GOEHLERT
发明人
ARTHUR GOEHLERT
分类号
主分类号
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代理人
主权项
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