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经营范围
发明名称
A method for the conformation of a metallic tube, particularly for a heat exchanger
摘要
申请公布号
GB2055064(A)
申请公布日期
1981.02.25
申请号
GB19800024664
申请日期
1980.07.28
申请人
VALEO
发明人
分类号
B21D41/04;B21D41/02;B21D53/08;F28F9/16;(IPC1-7):B21D39/20
主分类号
B21D41/04
代理机构
代理人
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地址
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