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发明名称
摘要
申请公布号
SE223595(C1)
申请公布日期
1968.11.19
申请号
SE19650007982
申请日期
1967.12.04
申请人
发明人
分类号
C21B5/02;C21C5/52;C22C33/00
主分类号
C21B5/02
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代理人
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地址
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