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发明名称
Safety brooch-fastening device
摘要
申请公布号
US2639482(A)
申请公布日期
1953.05.26
申请号
US19520320460
申请日期
1952.11.14
申请人
ENRIQUE HESTERMANN AUGUSTO
发明人
HESTERMANN AUGUSTO ENRIQUE
分类号
A44B9/16
主分类号
A44B9/16
代理机构
代理人
主权项
地址
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