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MANHOLE COVER WITH A LOCKING DEVICE WHICH FIXES THE MANHOLE COVER TO A FIXING FRAME OF A MANHOLE
MANHOLE COVER WITH A LOCKING DEVICE WHICH FIXES THE MANHOLE COVER TO A FIXING FRAME OF A MANHOLE
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机译:带有锁定装置的人孔盖,该装置将人孔盖固定到人孔的固定框架上
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摘要
PURPOSE: A manhole cover with a locking device is provided to prevent the manhole cover from being separated from a manhole by securely fixing the manhole cover to a fixing frame.;CONSTITUTION: A manhole cover with a locking device comprises a manhole cover(200) and a locking device(100). The manhole cover has open spaces(220) that open holes(222) are formed. The locking device is fixed in the spaces of the manhole cover, and operated in the outside of a manhole. The locking device is composed of fixtures(50), a fastening bolt, and a hanger(90). The hanger is ascended inside of a through hole of the fixtures, and fixed in the bottom surface of a fixing frame(2) of the manhole. And the manhole cover is fixed in the fixing frame of the manhole.;COPYRIGHT KIPO 2010
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