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发明名称
Uncurler guide for sewing machines
摘要
申请公布号
US1934275(A)
申请公布日期
1933.11.07
申请号
US19300458617
申请日期
1930.05.31
申请人
UNION SPECIAL MACHINE COMPANY
发明人
PFEIFFER WILLIAM;DONDERO RALPH D.
分类号
D05B27/18
主分类号
D05B27/18
代理机构
代理人
主权项
地址
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