| 摘要 |
PROBLEM TO BE SOLVED: To provide apparatus in a spinning room machine for visual signal display, especially in a spinning preparation machine such as a carding machine or draw frame, having simplified structure and reducing cost for producing and installing. SOLUTION: The apparatus comprises a plurality of light-emitting diodes L', L'' or light-emitting means installed in a transparent cover 9 and capable of generating colored light 7a, 7b or white light in dependence on a specific operative state of the spinning room machine. COPYRIGHT: (C)2005,JPO&NCIPI
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