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发明名称
Improvements in heating systems employing hot liquids
摘要
申请公布号
GB393485(A)
申请公布日期
1933.06.08
申请号
GB19320031940
申请日期
1932.11.11
申请人
ERNST KOCH
发明人
分类号
F24D3/04
主分类号
F24D3/04
代理机构
代理人
主权项
地址
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