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经营范围
发明名称
Thread feeding mechanism
摘要
申请公布号
GB361682(A)
申请公布日期
1931.11.26
申请号
GB19310000032
申请日期
1931.01.01
申请人
THE SINGER MANUFACTURING COMPANY
发明人
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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