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经营范围
发明名称
Dispositif de ventilation
摘要
申请公布号
FR1421309(A)
申请公布日期
1965.12.17
申请号
FR19640974655
申请日期
1964.05.15
申请人
发明人
PIERONNE ROGER
分类号
F24F13/02
主分类号
F24F13/02
代理机构
代理人
主权项
地址
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