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发明名称
PROCEDURE AND EQUIPMENT FOR THE INTEGRAL SAMPLING OF SOIL AND ROCK MASSES
摘要
申请公布号
CA904836(A)
申请公布日期
1972.07.11
申请号
CAD904836
申请日期
申请人
LABORATORIO NACIONAL DE ENGENHARIA CIVIL
发明人
MANUEL COELHO MENDES DA ROCHA
分类号
主分类号
代理机构
代理人
主权项
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