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发明名称
WERKWIJZE EN INRICHTING VOOR HET VERVANGEN VAN EEN STEUNVLOEISTOF DOOR EEN VERVANGINGSMASSA.
摘要
申请公布号
NL8900667(A)
申请公布日期
1990.01.16
申请号
NL19890000667
申请日期
1989.03.17
申请人
HOCHTIEF AKTIENGESELLSCHAFT VORM. GEBR. HELFMANN TE ESSEN, BONDSREPUBLIEK DUITSLAND.
发明人
分类号
E02D5/18;E02D15/04
主分类号
E02D5/18
代理机构
代理人
主权项
地址
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