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发明名称
Improvements in method and apparatus for reshaping metal tubes
摘要
申请公布号
GB669163(A)
申请公布日期
1952.03.26
申请号
GB19490031226
申请日期
1949.12.06
申请人
REX ROBERT SEEBER
发明人
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
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