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发明名称
Looper-thread controller for buttonhole-sewing machines
摘要
申请公布号
US1761349(A)
申请公布日期
1930.06.03
申请号
US19280245486
申请日期
1928.01.09
申请人
LEO KOZLOWSKI
发明人
KOZLOWSKI LEO
分类号
D05B3/06
主分类号
D05B3/06
代理机构
代理人
主权项
地址
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