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发明名称
Spool and bobbin supporting rack for sewing machines
摘要
申请公布号
US2940685(A)
申请公布日期
1960.06.14
申请号
US19560561251
申请日期
1956.01.25
申请人
FRED GLASS WILLIE
发明人
GLASS WILLIE FRED
分类号
D05B43/00
主分类号
D05B43/00
代理机构
代理人
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