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发明名称
Attachment for sewing machines
摘要
申请公布号
US1913878(A)
申请公布日期
1933.06.13
申请号
US19310538659
申请日期
1931.05.20
申请人
LEVER BIAS MACHINE CORPORATION
发明人
GARDNER PERCY
分类号
D05B35/06
主分类号
D05B35/06
代理机构
代理人
主权项
地址
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