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经营范围
发明名称
Improved room heater
摘要
申请公布号
GB498073(A)
申请公布日期
1939.01.03
申请号
GB19370025800
申请日期
1937.09.23
申请人
ARTHUR GEORGE WARREN
发明人
分类号
F24C1/00
主分类号
F24C1/00
代理机构
代理人
主权项
地址
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