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发明名称
Improvements in and relating to Resistance Alloys
摘要
申请公布号
GB1171674(A)
申请公布日期
1969.11.26
申请号
GB19670021853
申请日期
1967.05.11
申请人
JOHNSON, MATTHEY & CO. LIMITED
发明人
JOHN JEPHSON NORREYS
分类号
C22C5/00;H01B1/02
主分类号
C22C5/00
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代理人
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