Exhibit at a trade show, FC EXPO2008 Update:2008/02/20 Category: Exhibition Exhibit at a trade show FC EXPO 2008 in Tokyo, Japan from 27th to 29th Feb, 2008. (Booth No. 3-22) [2007/07/30] Announcement of new ammonia gas sensor TGS2444 [2009/02/19] Exhibit at a trade show, FC EXPO2009