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发明名称
Perfectionnements au montage des électrodes et des rouleaux dans les laminoirs pourtubes
摘要
申请公布号
FR1148997(A)
申请公布日期
1957.12.18
申请号
FRD1148997
申请日期
1956.04.06
申请人
THE ETNA MACHINE COMPANY
发明人
分类号
B21C37/08;B23K11/087
主分类号
B21C37/08
代理机构
代理人
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