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发明名称
Improvements in and relating to metal surfaces
摘要
申请公布号
GB828336(A)
申请公布日期
1960.02.17
申请号
GB19560034816
申请日期
1956.11.14
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
WELSH NORMAN CLIFFORD
分类号
B23K11/00
主分类号
B23K11/00
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