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发明名称
Improvements in and relating to the manufacture of wire springs
摘要
申请公布号
GB800494(A)
申请公布日期
1958.08.27
申请号
GB19550011556
申请日期
1955.04.21
申请人
NORMALAIR LIMITED
发明人
RICHARDS STANLEY THOMAS ALBERT
分类号
B21F3/04
主分类号
B21F3/04
代理机构
代理人
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