The 23th seminar “What is the toilet comfort ?” -2 – “Evolving Toilets” book series, volume 2 “Comfortable Toilets” edited by Japan Toilet Association Japan Toilet Association (JTA) Seminar Series; “Let us know more about our Toilet Story”
The 23th seminar “What is the toilet comfort ?” -2 – “Evolving Toilets” book series, volume 2 “Comfortab…