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经营范围
发明名称
AN ARRANGEMENT RELATING TO A DRAINAGE PIPE
摘要
申请公布号
EP0040621(B1)
申请公布日期
1984.09.19
申请号
EP19800902267
申请日期
1980.11.28
申请人
BERGSLAND, JON
发明人
BERGSLAND, JON
分类号
E02B11/00;(IPC1-7):02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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