觊 èŠ ãš èŠ èŠ ã ã ã¿ ã åº çŽ æ ã® å° è±¡ è© äŸ¡ Impression Evaluations of Flooring Materials on the Sight and Touch Sensesand the Thouch
觊 èŠ ãš èŠ èŠ ã ã ã¿ ã åº çŽ æ ã® å° è±¡ è© äŸ¡ Impression Evaluations of Flooring Materials on the Sight and Touch Sensesand the Thouch