| 摘要 |
A device for allowing proper identification of a scuba tank in day or night diving conditions. The device includes a elastic body structure having a outer circumferential surface which extends from the first lip member to the second lip member which thereon has identification symbols and a inner circumferential surface which extends from the first lip member to the second lip member and which has inner ridges therein. The elastic body structure maybe made of a elastic phosphorescent material.
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