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发明名称
Extension-cord retainer for sewing machines
摘要
申请公布号
US1754162(A)
申请公布日期
1930.04.08
申请号
US19280279458
申请日期
1928.05.21
申请人
WHITE SEWING MACHINE CORPORATION
发明人
COLEGROVE CHARLES E.
分类号
D05B75/02
主分类号
D05B75/02
代理机构
代理人
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地址
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