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发明名称
Annular hole cutter
摘要
申请公布号
GB2100151(A)
申请公布日期
1982.12.22
申请号
GB19820013780
申请日期
1982.05.12
申请人
JANCY ENGINEERING CO
发明人
分类号
B23B51/04;(IPC1-7):B23B51/04
主分类号
B23B51/04
代理机构
代理人
主权项
地址
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