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经营范围
发明名称
Sewing machine attachment
摘要
申请公布号
US2086830(A)
申请公布日期
1937.07.13
申请号
US19360078763
申请日期
1936.05.09
申请人
THOMPSON COLUMBUS T
发明人
THOMPSON COLUMBUS T.
分类号
D05B69/12
主分类号
D05B69/12
代理机构
代理人
主权项
地址
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