من اخترع الأبواب الأوتوماتيكية؟

31 يناير 2013

مخترع الأبواب الأوتوماتيكية هما ليو هيويت ودي هورتون وذلك في خمسينات القرن الماضي ، حيث حاولا تجنب مشاكل فتح الأبواب عند وجود ريح ومطر شديد.

اختراعات واكتشافات

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