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发明名称
Improvements in or relating to washing coppers and gas-heated boilers
摘要
申请公布号
GB471322(A)
申请公布日期
1937.09.01
申请号
GB19370014661
申请日期
1937.05.27
申请人
W. H. DEAN & SON LIMITED;WILFRED DEAN
发明人
分类号
D06F13/02
主分类号
D06F13/02
代理机构
代理人
主权项
地址
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