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发明名称
Method of manufacturing can closures
摘要
申请公布号
US1847108(A)
申请公布日期
1932.03.01
申请号
US19300441448
申请日期
1930.04.04
申请人
R. B. DAVIS COMPANY
发明人
HIRSCH LEONARD;HARRISS EDWIN A.
分类号
B21D51/38
主分类号
B21D51/38
代理机构
代理人
主权项
地址
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