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经营范围
发明名称
Improvements in or relating to heat exchange tubes
摘要
申请公布号
GB723770(A)
申请公布日期
1955.02.09
申请号
GB19510011002
申请日期
1951.05.10
申请人
ANDRE HUET
发明人
分类号
F22B37/10
主分类号
F22B37/10
代理机构
代理人
主权项
地址
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