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发明名称
摘要
申请公布号
JPS554809(U)
申请公布日期
1980.01.12
申请号
JP19780084004U
申请日期
1978.06.21
申请人
发明人
分类号
B23K9/09;B23K9/073;B23K9/10;(IPC1-7):B23K9/10
主分类号
B23K9/09
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代理人
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