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发明名称
摘要
申请公布号
JPS568729(B2)
申请公布日期
1981.02.25
申请号
JP19760151410
申请日期
1976.12.15
申请人
发明人
分类号
B23F5/22;B23F5/20
主分类号
B23F5/22
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代理人
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