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经营范围
发明名称
Improvements in reamers
摘要
申请公布号
GB608919(A)
申请公布日期
1948.09.22
申请号
GB19460006578
申请日期
1946.03.02
申请人
JAMES THORNTON NEWBY
发明人
分类号
B23D77/00
主分类号
B23D77/00
代理机构
代理人
主权项
地址
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