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经营范围
发明名称
STRUCTURE COMPRISING GROOVED BODY
摘要
申请公布号
GB8418653(D0)
申请公布日期
1984.08.22
申请号
GB19840018653
申请日期
1984.07.21
申请人
HAM BAKER & CO LTD
发明人
分类号
E02B7/54;(IPC1-7):E02B7/54
主分类号
E02B7/54
代理机构
代理人
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地址
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