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发明名称
摘要
申请公布号
JPS474582(U)
申请公布日期
1972.09.11
申请号
JP19710005438U
申请日期
1971.02.04
申请人
发明人
分类号
B23B47/28;B23Q3/00;(IPC1-7):B23Q3/00
主分类号
B23B47/28
代理机构
代理人
主权项
地址
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