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发明名称
摘要
申请公布号
JPS5020399(A)
申请公布日期
1975.03.04
申请号
JP19730071109
申请日期
1973.06.22
申请人
发明人
分类号
B25B7/22;B23D15/00;B26D3/08;H02G1/12
主分类号
B25B7/22
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代理人
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