| 摘要 |
The individual keys in a set of keys are configured to fit together in a compact arrangement, with the heads of the keys being in alignment with one another in one direction and stacked against one another in another direction, and with the shanks extending essentially in alignment with one another but spaced apart along the heads. A set of keys may be formed using two outer key configurations or by using the two outer key configurations, together with a central key configuration. One or more of such sets of keys may be stored in a holder including pockets for their storage.
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