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发明名称
Dispositif d'aération destiné à être raccordé à des cheminées d'aération étroites
摘要
申请公布号
FR1520943(A)
申请公布日期
1968.04.12
申请号
FR19670104051
申请日期
1967.04.25
申请人
LUNOS LUEFTUNG BENNO SCHOTTLER G.M.B.H. & CO. K.G.
发明人
分类号
E21F;F24F;F24F7/06
主分类号
E21F
代理机构
代理人
主权项
地址
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