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经营范围
发明名称
Procédé pour la transformation de lingots coulés ou de barres carrées en corps creux pour la fabrication de tubes sans soudure et presso-laminoir perceur pour sa réalisation.
摘要
申请公布号
BE575176(A1)
申请公布日期
1959.05.15
申请号
BE19590575176
申请日期
1959.01.28
申请人
ALBERT CALMES
发明人
ALBERT CALMES
分类号
(IPC1-7):B21B
主分类号
(IPC1-7):B21B
代理机构
代理人
主权项
地址
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