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发明名称
Spring wire snap
摘要
申请公布号
US2201360(A)
申请公布日期
1940.05.21
申请号
US19380230627
申请日期
1938.09.19
申请人
BECKWITH EDWARD S
发明人
BECKWITH EDWARD S.
分类号
A44B11/00;F16G15/04
主分类号
A44B11/00
代理机构
代理人
主权项
地址
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