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经营范围
发明名称
Perfectionnements apportés aux dispositifs de chauffage d'un courant d'air, plus spécialement un courant qui s'écoule à vitesse élevée.
摘要
申请公布号
FR942309(A)
申请公布日期
1949.02.04
申请号
FRD942309
申请日期
1947.02.25
申请人
WITOLD BRZOZOWSKI
发明人
BRZOZOWSKI WITOLD
分类号
B64D33/10
主分类号
B64D33/10
代理机构
代理人
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地址
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