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发明名称
Improvements in machines for making collapsible tubes
摘要
申请公布号
GB668515(A)
申请公布日期
1952.03.19
申请号
GB19500013999
申请日期
1950.06.05
申请人
ATF INCORPORATED
发明人
分类号
B21D51/36
主分类号
B21D51/36
代理机构
代理人
主权项
地址
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