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发明名称
Ring coiling machine
摘要
A wire feeding machine automatically forming a coil through an aperture in a product.
申请公布号
US4928510(A)
申请公布日期
1990.05.29
申请号
US19890407591
申请日期
1989.09.15
申请人
MERIT ENTERPRISES, INC.
发明人
HILLSTED, JEROME
分类号
B21F3/00;B21F37/00
主分类号
B21F3/00
代理机构
代理人
主权项
地址
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