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PERMUTATION LOCK, ESPECIALLY ADJUSTING RING SPRING FOR A PERMUTATION LOCK
PERMUTATION LOCK, ESPECIALLY ADJUSTING RING SPRING FOR A PERMUTATION LOCK
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机译:穿孔锁,特别是调节穿孔弹簧的环弹簧
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摘要
A pair of combination locks is employed to hold the lid of a luggage case locked closed, with a left-hand lock operating as a mirror image of a right-hand lock. Principal parts of the locks, including improved dial-indexing springs (but not the dials) are interchangeable. The dial-indexing springs cooperate with the dials of left-hand and right-hand locks in the same manner, so that all of the dials have the same action.
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