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发明名称
Appareil pour découper une ouverture circulaire dans la paroi d'une gaine de ventilation
摘要
申请公布号
CH455567(A)
申请公布日期
1968.07.15
申请号
CH19660004519
申请日期
1966.03.28
申请人
TECHNICAIR S. A.
发明人
FRIEDLING,GERARD;CHUARD,MARCEL
分类号
B23B51/05
主分类号
B23B51/05
代理机构
代理人
主权项
地址
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