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发明名称
Improvements in or relating to the manufacture of heat exchange devices
摘要
申请公布号
GB567286(A)
申请公布日期
1945.02.07
申请号
GB19410012704
申请日期
1941.10.01
申请人
JOHN LOUIS COLTMAN;IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
分类号
B23K1/00;B23K1/08
主分类号
B23K1/00
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代理人
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