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发明名称
Hemmer attachment
摘要
申请公布号
US2294740(A)
申请公布日期
1942.09.01
申请号
US19400366795
申请日期
1940.11.23
申请人
THE SINGER MANUFACTURING COMPANY
发明人
ENOS JOHN P.
分类号
D05B29/06;D05B35/02
主分类号
D05B29/06
代理机构
代理人
主权项
地址
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