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发明名称
摘要
申请公布号
JPH021570(U)
申请公布日期
1990.01.08
申请号
JP19880079891U
申请日期
1988.06.16
申请人
发明人
分类号
B23K9/30;(IPC1-7):B23K9/30
主分类号
B23K9/30
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代理人
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