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经营范围
发明名称
Improvements in or relating to heating systems employing a circulating heating liquid
摘要
申请公布号
GB443573(A)
申请公布日期
1936.02.28
申请号
GB19340024731
申请日期
1934.08.28
申请人
JOHN OSWALD FARRER;ERNST AUGUST JULIUS KOCH
发明人
分类号
F24D3/02
主分类号
F24D3/02
代理机构
代理人
主权项
地址
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