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发明名称
Lubricating device for sewing machine loop-takers
摘要
申请公布号
US2367046(A)
申请公布日期
1945.01.09
申请号
US19420457148
申请日期
1942.09.03
申请人
THE SINGER MANUFACTURING COMPANY
发明人
PARRY FRANK
分类号
D05B71/02
主分类号
D05B71/02
代理机构
代理人
主权项
地址
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