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发明名称
摘要
申请公布号
JPS5217318(U)
申请公布日期
1977.02.07
申请号
JP19750103203U
申请日期
1975.07.25
申请人
发明人
分类号
B23K37/047;B23K9/00;B23K37/04;(IPC1-7):B23K37/04
主分类号
B23K37/047
代理机构
代理人
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