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发明名称
Thread cutting device for button holes and similar sewing machines
摘要
申请公布号
GB423492(A)
申请公布日期
1935.02.01
申请号
GB19340027754
申请日期
1934.09.27
申请人
DUERKOPPWERKE AKTIENGESELLSCHAFT
发明人
分类号
D05B65/00
主分类号
D05B65/00
代理机构
代理人
主权项
地址
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