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发明名称
Convertible flat-bed and cylinderarm sewing machine
摘要
申请公布号
US2424872(A)
申请公布日期
1947.07.29
申请号
US19440568405
申请日期
1944.12.16
申请人
THE SINGER MANUFACTURING COMPANY
发明人
ZONIS SYDNEY
分类号
D05B73/00;D05B73/10;D05B77/00
主分类号
D05B73/00
代理机构
代理人
主权项
地址
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