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发明名称
A PROCESS FOR PREPARING THE ARTIFICIAL GRAVELS AND TERAZOTILES USING SLUDGES OF WASTE WATER CONTAINING HYDROGEN FLUORIC ACID
摘要
申请公布号
KR100241224(B1)
申请公布日期
2000.02.01
申请号
KR19970038129
申请日期
1997.08.11
申请人
CHANG, SANG MOO
发明人
PARK, HI CHAN;SHIN, HACK GI;RI, SANG SIL;KIM, JIN UK
分类号
C04B18/30;C04B18/16;(IPC1-7):C04B18/30
主分类号
C04B18/30
代理机构
代理人
主权项
地址
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