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发明名称
Menetelmä ja laite kaivon päiväaukon pienentämiseksi
摘要
申请公布号
FI954359(A)
申请公布日期
1996.03.17
申请号
FI19950004359
申请日期
1995.09.15
申请人
SVENSSON, MATS
发明人
SVENSSON, MATS
分类号
E02D;E02D29/12;E02D29/14;E03F5/02;(IPC1-7):E02D29/14
主分类号
E02D
代理机构
代理人
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地址
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