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发明名称
Collapsible pipe tap
摘要
申请公布号
US2024278(A)
申请公布日期
1935.12.17
申请号
US19350013106
申请日期
1935.03.26
申请人
THE NATIONAL ACME COMPANY
发明人
DRISSNER ALFRED E.;HOGG WILLIAM J.
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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