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经营范围
发明名称
FRESH AIR BREATHER
摘要
申请公布号
GB8521106(D0)
申请公布日期
1985.09.25
申请号
GB19850021106
申请日期
1985.08.22
申请人
HALLEWELL, J E
发明人
分类号
F24F7/06
主分类号
F24F7/06
代理机构
代理人
主权项
地址
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