LST EN 60368-2-2-2001 Piezoelectric filters. Part 2: Guide to the use of piezoelectric filters. Section 2: Piezoelectric ceramic filters (IEC 60368-2-2:1996)
2001LST EN 60368-2-2-2001 Piezoelectric filters. Part 2: Guide to the use of piezoelectric filters. Section 2: Piezoelectric ceramic filters (IEC 60368-2-2:1996)