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发明名称
Looper operating mechanism for sewing machines
摘要
申请公布号
US2636463(A)
申请公布日期
1953.04.28
申请号
US19510211457
申请日期
1951.02.17
申请人
UNION SPECIAL MACHINE COMPANY
发明人
QUIST OSCAR
分类号
D05B57/02
主分类号
D05B57/02
代理机构
代理人
主权项
地址
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