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发明名称
Improvements in or relating to the manufacture of sectional heat-exchangers
摘要
申请公布号
GB541497(A)
申请公布日期
1941.11.28
申请号
GB19400011939
申请日期
1940.07.19
申请人
HARTWIG GEORG BINDER
发明人
分类号
B21D53/04
主分类号
B21D53/04
代理机构
代理人
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