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发明名称
Tool for cutting threads
摘要
申请公布号
US2324879(A)
申请公布日期
1943.07.20
申请号
US19420448935
申请日期
1942.06.29
申请人
THE PIPE MACHINERY COMPANY
发明人
ROBERTSON ALEXANDER F.
分类号
B23G1/22
主分类号
B23G1/22
代理机构
代理人
主权项
地址
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