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经营范围
发明名称
Improvements in or relating to means for the uniform distribution in a room of a current of air or gas supplied by a pipe
摘要
申请公布号
GB477512(A)
申请公布日期
1937.12.31
申请号
GB19370016759
申请日期
1937.06.16
申请人
ROBERT SPEIDEL
发明人
分类号
F24F13/068
主分类号
F24F13/068
代理机构
代理人
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