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发明名称
Bobbin winder protector for sewing machines
摘要
申请公布号
US2583482(A)
申请公布日期
1952.01.22
申请号
US19480018517
申请日期
1948.04.02
申请人
GEORGE GREENBERG
发明人
GREENBERG GEORGE
分类号
D05B59/00;D05B73/00
主分类号
D05B59/00
代理机构
代理人
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