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发明名称
Spring catch
摘要
申请公布号
US2146140(A)
申请公布日期
1939.02.07
申请号
US19360109521
申请日期
1936.11.06
申请人
ILLINOIS WATCH CASE COMPANY
发明人
HANNINGS CHARLES J.
分类号
A45D33/00
主分类号
A45D33/00
代理机构
代理人
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