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发明名称
Electro-mechanical transmission system for sewing machines
摘要
申请公布号
US2803207(A)
申请公布日期
1957.08.20
申请号
US19530376721
申请日期
1953.08.26
申请人
BERNARD SOTZKY
发明人
SOTZKY BERNARD
分类号
D05B35/08
主分类号
D05B35/08
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代理人
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