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发明名称
摘要
申请公布号
NL6510600(A)
申请公布日期
1966.02.14
申请号
NL19650010600
申请日期
1965.08.13
申请人
发明人
分类号
C01B7/03;C01B11/02
主分类号
C01B7/03
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