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发明名称
Process and apparatus for making helical springs
摘要
申请公布号
GB2023040(A)
申请公布日期
1979.12.28
申请号
GB19790021210
申请日期
1979.06.19
申请人
WAFIOS WAGNER FICKER & SCHMID GMBH
发明人
分类号
B21F3/06;B21F3/02;(IPC1-7):B21F3/02
主分类号
B21F3/06
代理机构
代理人
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