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发明名称
Collapsible tap
摘要
申请公布号
US1912298(A)
申请公布日期
1933.05.30
申请号
US19300502798
申请日期
1930.12.16
申请人
LANDIS MACHINE COMPANY
发明人
NEWMAN SAMUEL F.
分类号
B23G5/14
主分类号
B23G5/14
代理机构
代理人
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