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发明名称
摘要
申请公布号
JPS57152382(U)
申请公布日期
1982.09.24
申请号
JP19810038258U
申请日期
1981.03.20
申请人
发明人
分类号
B23K20/00;B23K9/028;(IPC1-7):B23K9/225
主分类号
B23K20/00
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