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发明名称
UN PROCEDIMIENTO PARA MEJORAR COMPOSICIONES DE CEMENTO POR-TLAND.
摘要
申请公布号
ES378924(A3)
申请公布日期
1973.01.16
申请号
ES19240003789
申请日期
1970.04.22
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
C04B;(IPC1-7):04B/
主分类号
C04B
代理机构
代理人
主权项
地址
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