| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor repairing method capable of being executed without having any odor within a short period of time without suspending business by eliminating the drying of both wet and oily surfaces for a floor of kitchen or the like. SOLUTION: A substrate is formed of a hydraulic urethane, and an ultra rapid hardening high functional urethane material is sprayed thereon with a mechanical controller to finish.
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