SMOKE EXHAUST SYSTEM
PURPOSE:To open successive windows rapidly at one touch by using a cable one end of which is connected to a control box located at the lower end of a vertical boom and the other end is connected to a frame of final one of successive windows for exhauting smoke.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To open successive windows rapidly at one touch by using a cable one end of which is connected to a control box located at the lower end of a vertical boom and the other end is connected to a frame of final one of successive windows for exhauting smoke. |
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