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发明名称
CONSTRUCTIONAL WORKS
摘要
申请公布号
US3421326(A)
申请公布日期
1969.01.14
申请号
USD3421326
申请日期
1964.03.26
申请人
HENRI CHARLES VIDAL
发明人
HENRI CHARLES VIDAL
分类号
E02B3/06;E02D17/18;E02D29/02;E04C3/36;E21D11/04;(IPC1-7):E02D5/00;E02B7/06
主分类号
E02B3/06
代理机构
代理人
主权项
地址
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