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发明名称
Vorrichtung zum Anbringen von Loechern,insbesondere in von aus Beton-,Granit-,Sand-oder Kalksteinen gebildeten Gebaeudewandungen und Verfahren zur Herstellung der Vorrichtung
摘要
申请公布号
DE1577977(A1)
申请公布日期
1970.04.23
申请号
DE19661577977
申请日期
1966.11.25
申请人
BERCES,DIPL.-ING. ATILLA
发明人
ATTILA BERCES,DIPL.-ING.;GYOERGY BERCZES,ZSOLT
分类号
E21B7/14
主分类号
E21B7/14
代理机构
代理人
主权项
地址
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