Lea Hin Co. (Pte) Ltd Since 1935
Tomoharu Tachikawa 2 and Tomoya Hasegawa 2 1 Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Hikone 522-8533, Japan; suzuki@mat.usp.ac.jp 2 Osaka Gas Chemicals Co., Ltd., 5-11-61 Torishima, Konohana-ku, Osaka 554-0051, Japan; okita@ogc.co.jp (M....