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发明名称
Stock tube
摘要
申请公布号
US2771181(A)
申请公布日期
1956.11.20
申请号
US19530331221
申请日期
1953.01.14
申请人
THE NEW BRITAIN MACHINE COMPANY
发明人
MONTGOMERY DONALD H.;PULSIFER CLARENCE D.
分类号
B23B13/08
主分类号
B23B13/08
代理机构
代理人
主权项
地址
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