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发明名称
CEMENT COMPOSITIONS
摘要
申请公布号
ZA8807507(B)
申请公布日期
1990.06.27
申请号
ZA19880007507
申请日期
1988.10.06
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
AMALENDU JYOTI MAJUMDAR;BAHADUR SINGH
分类号
C04B
主分类号
C04B
代理机构
代理人
主权项
地址
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