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发明名称
摘要
申请公布号
JPS62502523(A)
申请公布日期
1987.10.01
申请号
JP19850502317
申请日期
1985.03.27
申请人
发明人
分类号
B23H9/12;B05C7/02;B21D28/34;B21D37/20;F16L55/16
主分类号
B23H9/12
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代理人
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