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发明名称
Attaching button
摘要
申请公布号
US2155496(A)
申请公布日期
1939.04.25
申请号
US19370170567
申请日期
1937.10.23
申请人
GATES MANUFACTURING COMPANY
发明人
LANE FRED O.
分类号
A44B1/40
主分类号
A44B1/40
代理机构
代理人
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