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发明名称
摘要
申请公布号
LU43986(A1)
申请公布日期
1963.09.03
申请号
LUD43986
申请日期
1963.07.01
申请人
发明人
分类号
C01B31/30;C04B35/51;C04B35/56;G21C3/62
主分类号
C01B31/30
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代理人
主权项
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