发明名称 Device for fixing and dismantling components in and from circular ventilation duct
摘要 The arrangement involves a fixture component for installing and dismantling of components in and from ventilation ducts and incorporates a plate cover (3), a seal (4) and a lock mechanism (8). The plate cover is provided with distance-holding components (5) against the ventilation duct (1) and the component (2).
申请公布号 SE507724(C2) 申请公布日期 1998.07.06
申请号 SE19940001951 申请日期 1994.06.07
申请人 KNUT BERGDAHL 发明人 KNUT *BERGDAHL
分类号 F16L21/06;(IPC1-7):F16L21/06 主分类号 F16L21/06
代理机构 代理人
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