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发明名称
Improvements in metal cutting broaches
摘要
申请公布号
GB379978(A)
申请公布日期
1932.09.08
申请号
GB19320003955
申请日期
1932.02.10
申请人
WILLIAM WARREN TRIGGS
发明人
分类号
B23D43/02
主分类号
B23D43/02
代理机构
代理人
主权项
地址
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