| 摘要 |
There is described a device for holding flat objects, especially printed circuit boards during their being transported or stored, or being conveyed on an assembling line. The device consists basically of a partly or wholly hollow tray having slits in its upper surface which communicate with the hollows. One or more elongated bodies are insertable into the hollow. Cam members are provided urging the inserted elongated members inwardly of the hollows. The boards are placed on edge in the slits and come to rest on the inserted elongated bodies.
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