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发明名称
摘要
申请公布号
NL7007792(A)
申请公布日期
1970.12.01
申请号
NL19700007792
申请日期
1970.05.29
申请人
发明人
分类号
C21C5/28;C21C5/32;C21C7/064;(IPC1-7):C21C5/32;C21C7/02
主分类号
C21C5/28
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代理人
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