| 摘要 |
The present invention relates to a replaceable sign board which is detachably attached to a pole (220) fixed to the ground. The replaceable sign board includes a front plate (10) including an outer frame (11), an opening (12) inside the outer frame (11), a top surface (10A) and a bottom surface (10B); a rear plate (30) including a top surface (30A) making contact with the bottom surface (10B) of the front plate (10) and fixed to the front plate (10); and a guide plate (20) fixedly inserted between the front and rear plates (10 and 30), wherein guide information is printed on a rear surface (20B) of the guide plate (20), a groove (11a) formed on the outer frame (11) of the bottom surface (10B) of the front plate (10) such that a C-shaped protrusion (11b) is formed on the outer frame (11), and the inserted guide plate (20) is placed in the groove (11a). |
