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发明名称
摘要
申请公布号
JPH055271(U)
申请公布日期
1993.01.26
申请号
JP19910050553U
申请日期
1991.07.01
申请人
发明人
分类号
B23K9/133;(IPC1-7):B23K9/133
主分类号
B23K9/133
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代理人
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