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发明名称
Method of making spring clips
摘要
申请公布号
US2631359(A)
申请公布日期
1953.03.17
申请号
US19500163214
申请日期
1950.05.20
申请人
MARCUS SCHWARTZ
发明人
SCHWARTZ MARCUS
分类号
B21D53/36
主分类号
B21D53/36
代理机构
代理人
主权项
地址
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