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发明名称
ABDECKVORRICHTUNG FUER DEHNUNGSFUGEN
摘要
申请公布号
DE2065318(A1)
申请公布日期
1973.03.29
申请号
DE19702065318
申请日期
1970.06.19
申请人
HELKA S.A., FREIBURG (SCHWEIZ)
发明人
SEQUARIS, ETIENNE, ANDRIMONT (BELGIEN)
分类号
E01D19/06;(IPC1-7):E01D19/06
主分类号
E01D19/06
代理机构
代理人
主权项
地址
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