LAID PLATE FOR GUIDE ROAD SURFACE

摘要

PROBLEM TO BE SOLVED: To provide a laid plate with no irregularity for a guide road surface which can be used inexpensively in place of a conventional one with irregularities and provides high guide effect to visually impaired persons.

SOLUTION: A plurality of wood pieces are formed in a square plate-like body with a uniform thickness by parquet. The square plate-like body is impregnated with flavor emitting substance to provide a laid plate for a guide road surface.

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