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经营范围
发明名称
Sewing machine and attachment therefor
摘要
申请公布号
US2475759(A)
申请公布日期
1949.07.12
申请号
US19470762367
申请日期
1947.07.21
申请人
CHARLES SEAMAN
发明人
SEAMAN CHARLES
分类号
D05B37/04
主分类号
D05B37/04
代理机构
代理人
主权项
地址
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