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发明名称
Sewing-machine frame
摘要
申请公布号
US2526481(A)
申请公布日期
1950.10.17
申请号
US19480019277
申请日期
1948.04.06
申请人
HOHMANN RICHARD K
发明人
HOHMANN RICHARD K.
分类号
D05B73/00
主分类号
D05B73/00
代理机构
代理人
主权项
地址
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