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发明名称
Method and apparatus for making bulged articles
摘要
申请公布号
US3220235(A)
申请公布日期
1965.11.30
申请号
US19610139243
申请日期
1961.09.19
申请人
NATIONAL LOCK CO.
发明人
PECCERILL DONALD
分类号
B21D26/02
主分类号
B21D26/02
代理机构
代理人
主权项
地址
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