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发明名称
Reamer for pipe threaders
摘要
申请公布号
US1762670(A)
申请公布日期
1930.06.10
申请号
US19270175789
申请日期
1927.03.16
申请人
SIESKO EMIL T
发明人
SIESKO EMIL T.
分类号
B23D75/00
主分类号
B23D75/00
代理机构
代理人
主权项
地址
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