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Talking gatekeeping cabinet; controlling the automatic barriers of tennis or other courts
Talking gatekeeping cabinet; controlling the automatic barriers of tennis or other courts
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机译:会说话的看门柜;控制网球或其他球场的自动障碍
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摘要
The present invention consists of an entry to tennis or other courts, equipped with a talking cabinet actuating the automatic barriers by insertion of coins which trigger an electronic circuit, simultaneously indicating the duration of the game. It is used at the entrances to tennis or other courts. IMAGE
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