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发明名称
Sewing machine attachment
摘要
申请公布号
US2036558(A)
申请公布日期
1936.04.07
申请号
US19340752593
申请日期
1934.11.12
申请人
UNDERWOOD HOWARD C
发明人
UNDERWOOD HOWARD C.
分类号
D05B29/06;D05B35/06;D05B73/12
主分类号
D05B29/06
代理机构
代理人
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