| 摘要 |
PROBLEM TO BE SOLVED: To provide illumination which has a plurality of functions by replacing a light-transmissive plate printed by using electrophotographic device, and which realizes reuse, reduces industrial wastes which makes problems to environment and results in the cost reduction of each illumination by using a material plate repeatedly. SOLUTION: The material plate forming the illumination is replaced with a picture pattern plate forming illumination obtained by printing respective functions of interior illumination, sign board illumination, a guide lamp, a sign board, etc., by a printing method with plate or without plate.
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