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Secondary window lock or door lock has a housing with a square aperture for a spindle linked to mortise lock
Secondary window lock or door lock has a housing with a square aperture for a spindle linked to mortise lock
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机译:辅助窗户锁或门锁具有一个带有方孔的外壳,用于与暗锁相连的主轴
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摘要
A window or a door has a secondary lock consisting of a housing enclosing an open/shut drive mechanism with an aperture for a square spindle linked to the door/window handle and linked to a pushrod, the prior art lock and a main mortise lock.
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