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发明名称
METHOD OF MAKING DESALTED SYNTHETIC SAND FOR CONCRETE USE
摘要
申请公布号
JPS5445337(A)
申请公布日期
1979.04.10
申请号
JP19770111783
申请日期
1977.09.17
申请人
KAMEGAWA ISAO
发明人
KAMEGAWA ISAO
分类号
C04B14/06
主分类号
C04B14/06
代理机构
代理人
主权项
地址
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