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经营范围
发明名称
Self centering multiple boring tool holder
摘要
申请公布号
US2848913(A)
申请公布日期
1958.08.26
申请号
US19560569373
申请日期
1956.03.05
申请人
THOMSEN NIELS C
发明人
THOMSEN NIELS C.
分类号
B23B29/04
主分类号
B23B29/04
代理机构
代理人
主权项
地址
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