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发明名称
Sewing machine spool-pin supports
摘要
申请公布号
US2871808(A)
申请公布日期
1959.02.03
申请号
US19560563504
申请日期
1956.02.06
申请人
THE SINGER MANUFACTURING COMPANY
发明人
MATUZAS ANTHONY J.
分类号
D05B43/00
主分类号
D05B43/00
代理机构
代理人
主权项
地址
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