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发明名称
Hard alloys
摘要
申请公布号
GB2039950(A)
申请公布日期
1980.08.20
申请号
GB19800000239
申请日期
1980.01.04
申请人
BOC LTD
发明人
分类号
B23K35/30;C22C19/05;(IPC1-7):C22C19/05
主分类号
B23K35/30
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