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发明名称
CANO DE DRENAGEM
摘要
申请公布号
BR7908935(A)
申请公布日期
1981.06.30
申请号
BR19790008935
申请日期
1979.12.03
申请人
SOEDERSTROEM GERT WILHELM
发明人
SOEDERSTROEM GERT WILHELM
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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