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发明名称
Presser foot bar lifting mechanism for sewing machines
摘要
申请公布号
US2558010(A)
申请公布日期
1951.06.26
申请号
US19500150383
申请日期
1950.03.18
申请人
BIRTMAN ELECTRIC COMPANY
发明人
SPORNEY GEORGE C.
分类号
D05B29/02
主分类号
D05B29/02
代理机构
代理人
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地址
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