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经营范围
发明名称
Snap hook
摘要
申请公布号
US2571971(A)
申请公布日期
1951.10.16
申请号
US19470776773
申请日期
1947.09.29
申请人
ALBERT H. REEF
发明人
VOGEL FRANK
分类号
A44C5/20
主分类号
A44C5/20
代理机构
代理人
主权项
地址
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