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发明名称
摘要
申请公布号
JPH0740209(Y2)
申请公布日期
1995.09.13
申请号
JP19890011173U
申请日期
1989.02.01
申请人
发明人
分类号
B23K31/00;G01N27/72;G01N27/90;(IPC1-7):G01N27/72
主分类号
B23K31/00
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代理人
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