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发明名称
摘要
申请公布号
JPS5442711(B2)
申请公布日期
1979.12.15
申请号
JP19750077530
申请日期
1975.06.25
申请人
发明人
分类号
B23B31/20
主分类号
B23B31/20
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代理人
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地址
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