| 摘要 |
An apparatus which attaches to the outer rim area or bottom surface area of an x-ray cassette holder used to support the x-ray cassette upright (parallel to or with the top surface of the holder) and next to the edge of a resting table or surface. The apparatus allows this particular type of cassette holder to rest the entire holder on top of a table and have the holder even, level or horizontal with the table top while the holder's slot supports the x-ray cassette upright perpendicular to the table top. The apparatus adjusts the holder into proper alignment so that the top of the slot and the top surface of the holder (including the outer edge or rim area) are even and horizontal to the top of the table.
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