79/979/EEC: Commission Decision of 31 October 1979 refusing to accept the scientific character of the apparatus described as 'Bison automatic signal enhancement seismograph, model 1575 B'
79/979/EEC:1979年10月31日委员会决定拒绝接受被称为“1575 B型野牛自动信号增强地震仪”的仪器的科学特性
79/979/EEC: Commission Decision of 31 October 1979 refusing to accept the scientific character of the apparatus described as 'Bison automatic signal enhancement seismograph, model 1575 B'