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经营范围
发明名称
Improvements in expansion reamers and like cutting tools
摘要
申请公布号
GB377340(A)
申请公布日期
1932.07.28
申请号
GB19310014133
申请日期
1931.05.13
申请人
HENRY CONRAD HEIDE
发明人
分类号
B23D77/04
主分类号
B23D77/04
代理机构
代理人
主权项
地址
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