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发明名称
PROCESS OF RISING THE GROUND LEVEL
摘要
申请公布号
PT69992(A)
申请公布日期
1979.08.01
申请号
PT19790069992
申请日期
1979.07.27
申请人
HENRIQUE LUIS DA SILVA MARTINS
发明人
分类号
E02B;(IPC1-7):E02B/
主分类号
E02B
代理机构
代理人
主权项
地址
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