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发明名称
Chuck
摘要
申请公布号
US2154908(A)
申请公布日期
1939.04.18
申请号
US19370150285
申请日期
1937.06.25
申请人
THE BAIRD MACHINE COMPANY
发明人
LEWIS ARTHUR J.
分类号
B23B31/12
主分类号
B23B31/12
代理机构
代理人
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