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发明名称
摘要
申请公布号
JPS5754985(Y2)
申请公布日期
1982.11.27
申请号
JP19770028071U
申请日期
1977.03.10
申请人
发明人
分类号
B23D77/14;(IPC1-7):B23D77/14
主分类号
B23D77/14
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代理人
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