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发明名称
FLOOD CONTROL METHOD AND APPARATUS
摘要
申请公布号
US3609979(A)
申请公布日期
1971.10.05
申请号
USD3609979
申请日期
1969.11.21
申请人
MICHAEL LUKAWSKY
发明人
MICHAEL LUKAWSKY
分类号
E02B3/02;(IPC1-7):E02B3/02
主分类号
E02B3/02
代理机构
代理人
主权项
地址
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