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发明名称
PROCESS FOR PRODUCING MAGNESSIUM ALUMINATE SPINEL
摘要
申请公布号
KR1019800000647(B1)
申请公布日期
1980.07.12
申请号
KR1019750002023
申请日期
1975.09.11
申请人
发明人
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主分类号
代理机构
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