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发明名称
摘要
申请公布号
JPH04118285(U)
申请公布日期
1992.10.22
申请号
JP19910026269U
申请日期
1991.03.25
申请人
发明人
分类号
B23K20/00;B30B15/06;(IPC1-7):B23K20/00
主分类号
B23K20/00
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代理人
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