79088857
May 31, 2010
Jul 26, 2011
Electrode sheets used in positive and negative electrode of an electric accumulator and a capacitor; aluminum foil for electrode sheets subject to substrate treatment to form a coating film used in positive electrode of an electric accumulator and a capacitor; copper foil for electrode sheets subject to substrate treatment to form a coating film used in negative electrode of an electric accumulator and a capacitor
Electrical and Scientific Apparatus