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发明名称
CONCRETE COMPOSITION
摘要
申请公布号
KR100220562(B1)
申请公布日期
1999.09.15
申请号
KR19970012275
申请日期
1997.04.03
申请人
REFORM SYSTEM CO., LTD.
发明人
JIN,GYO-YONG
分类号
C04B28/06;(IPC1-7):C04B28/06
主分类号
C04B28/06
代理机构
代理人
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