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发明名称
摘要
申请公布号
NL6607161(A)
申请公布日期
1966.11.25
申请号
NL19660007161
申请日期
1966.05.24
申请人
发明人
分类号
C21C7/00;C21C7/06
主分类号
C21C7/00
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