Invention Grant
US4073556A Rigid mobile cabinet for audio-visual aids 失效
刚性移动柜用于视听辅助

Rigid mobile cabinet for audio-visual aids
Abstract:
A mobile utility cabinet for audio-visual aids, adaptable to house and transport video tape, recording, projection and like materials and equipment, and for use as a learning center, said cabinet having a plurality of removable and adjustable interior and exterior shelves and components, all supported by means formed integral with the walls of the cabinet and having vertically adjustable means for selectively supporting said audio-visual aids, the said cabinet being rigidly constructed and having means in its frame cooperating with said adjustable means to resist impact and damage during transport and storage.
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