| 摘要 |
The roller support (1) has the disc (11) made adjustable, with an image-carrier band (16) with programmed displays. The electric motor (4) is also axially adjustable via disc (11) to accommodate the variable with image-carrier band (16). The motor group is housed in the end of the roller, which reduces the volume of the assembly. Locators (8,8',9,12,17) an optical reader (not shown) and a support (24) with one compartment (25) per image.
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