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发明名称
Centralizing mechanism for sewing machines
摘要
申请公布号
US1749644(A)
申请公布日期
1930.03.04
申请号
US19220577714
申请日期
1922.07.26
申请人
MILLER HENRY C
发明人
MILLER HENRY C.
分类号
D05B3/06
主分类号
D05B3/06
代理机构
代理人
主权项
地址
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