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经营范围
发明名称
Fluid/heating:energy saving device
摘要
申请公布号
GB9706334(D0)
申请公布日期
1997.05.14
申请号
GB19970006334
申请日期
1997.03.26
申请人
COPPARD, KEVIN
发明人
分类号
F24H1/20
主分类号
F24H1/20
代理机构
代理人
主权项
地址
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