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发明名称
Improvements in or relating to crown closures and method and apparatus for making the same
摘要
申请公布号
GB676501(A)
申请公布日期
1952.07.30
申请号
GB19500025983
申请日期
1950.10.25
申请人
ARMSTRONG CORK COMPANY
发明人
分类号
B21D51/48
主分类号
B21D51/48
代理机构
代理人
主权项
地址
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