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发明名称
IMPROVEMENTS RELATING TO SPRINGS
摘要
申请公布号
GB1248646(A)
申请公布日期
1971.10.06
申请号
GB19690055927
申请日期
1969.11.14
申请人
KABUSHIKI KAISHA SUWA SEIKOSHA
发明人
分类号
C22C19/03;C22C19/00
主分类号
C22C19/03
代理机构
代理人
主权项
地址
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