nam a22 7a 4500 0 0 udc 0 0 UL UL 2018-06-07 0 621.38(05) ELEC.32/11-12 00050734 2018-06-07 2018-06-07 BV 95620 95619 20180607161114.0 180607b ||||| |||| 00| 0 eng d 621.38(05) ELEC.32/11-12 Hayden publishing company Electronic design Essex Hayden publishing company 1984 vol. 32 Elctronical BV