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发明名称
Loop-taker and feed-actuating mechanism for sewing machines
摘要
申请公布号
US2333438(A)
申请公布日期
1943.11.02
申请号
US19420438516
申请日期
1942.04.11
申请人
THE SINGER MANUFACTURING COMPANY
发明人
PARRY FRANK
分类号
D05B69/30
主分类号
D05B69/30
代理机构
代理人
主权项
地址
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