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发明名称
Thread-controlling mechanism for sewing machines
摘要
申请公布号
US2325995(A)
申请公布日期
1943.08.03
申请号
US19410423914
申请日期
1941.12.22
申请人
THE SINGER MANUFACTURING COMPANY
发明人
BECKER RUDOLPH
分类号
D05B51/00
主分类号
D05B51/00
代理机构
代理人
主权项
地址
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