发明名称 Method for the manufacture of a spring core and device for implementing the method
摘要 A method for the manufacture of a spring core, in which a plurality of springs are connected to one another, is designed such that after the connection of the springs, automatic defect control is performed.
申请公布号 US2003177624(A1) 申请公布日期 2003.09.25
申请号 US20030384514 申请日期 2003.03.07
申请人 SCHMIDT GERD UWE 发明人 SCHMIDT GERD UWE
分类号 B21F33/04;B68G9/00;(IPC1-7):B23Q17/00 主分类号 B21F33/04
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