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经营范围
发明名称
Improvements in or relating to convection and radiation heaters
摘要
申请公布号
GB885919(A)
申请公布日期
1962.01.03
申请号
GB19570023220
申请日期
1957.07.23
申请人
SIDNEY MCDOUGALL
发明人
分类号
F24C1/14
主分类号
F24C1/14
代理机构
代理人
主权项
地址
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