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经营范围
发明名称
Method of protecting or repairing scoured areas of a situs
摘要
申请公布号
US3383864(A)
申请公布日期
1968.05.21
申请号
US19670617446
申请日期
1967.01.23
申请人
LEE A. TURZILLO
发明人
TURZILLO LEE A.
分类号
E02B3/12
主分类号
E02B3/12
代理机构
代理人
主权项
地址
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