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经营范围
发明名称
Sewing machine needles and methods of forming the same
摘要
申请公布号
US3227121(A)
申请公布日期
1966.01.04
申请号
US19630286382
申请日期
1963.06.07
申请人
THE TORRINGTON COMPANY
发明人
SPEETJENS JOSEPH T.;SHEPARD RICHARD W.
分类号
B21G1/04;D05B85/00
主分类号
B21G1/04
代理机构
代理人
主权项
地址
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