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经营范围
发明名称
CONTROL OF AIR FLOW THROUGH A FLUE
摘要
申请公布号
GB8921501(D0)
申请公布日期
1989.11.08
申请号
GB19890021501
申请日期
1989.09.22
申请人
MACLACHLAN, JAMES A
发明人
分类号
F24B1/189
主分类号
F24B1/189
代理机构
代理人
主权项
地址
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