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经营范围
发明名称
Separable fastener
摘要
申请公布号
US2643429(A)
申请公布日期
1953.06.30
申请号
US19510252879
申请日期
1951.10.24
申请人
RUTH BURDICK;HARRY C. KERN
发明人
WITTSTOCK ALFRED GUSTAVE
分类号
A44B1/32
主分类号
A44B1/32
代理机构
代理人
主权项
地址
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