发明授权
US5785306A Apparatus for use in installing suspended ceilings 失效
用于安装吊顶的装置

Apparatus for use in installing suspended ceilings
摘要:
An apparatus for use in installing the framework for supporting a suspended ceiling having a pair of parallel legs for supporting a section of gridwork and a clamp for attaching the apparatus to a ceiling joist. The apparatus includes a plurality of grid supporting positions as well as level indicating means to accurately position the suspended ceiling supports.
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