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发明名称
摘要
申请公布号
JP2689173(B2)
申请公布日期
1997.12.10
申请号
JP19890339295
申请日期
1989.12.26
申请人
发明人
分类号
B23K15/00;G01N1/28;H01J37/20;(IPC1-7):B23K15/00
主分类号
B23K15/00
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代理人
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