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发明名称
摘要
申请公布号
NL6410793(A)
申请公布日期
1965.03.22
申请号
NL19640010793
申请日期
1964.09.16
申请人
发明人
分类号
C21B9/12;G05D23/19
主分类号
C21B9/12
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