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发明名称
Automatic taper thread forming machine
摘要
申请公布号
US2679057(A)
申请公布日期
1954.05.25
申请号
US19490118397
申请日期
1949.09.28
申请人
THE PIPE MACHINERY COMPANY
发明人
SAWDEY NEIL T.
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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