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发明名称
Method of making sewing machine needles
摘要
申请公布号
US1949350(A)
申请公布日期
1934.02.27
申请号
US19330693385
申请日期
1933.10.12
申请人
THE TORRINGTON COMPANY
发明人
BROWN EDMUND K.
分类号
B21G1/04
主分类号
B21G1/04
代理机构
代理人
主权项
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