
Spring-operated Impact-test Apparatus And Its Calibration
出版:Asociacion Espanola de Normalizacion

专家解读视频
96 [21/03/1996]
HD 495:1987 - Identical
IEC 60817 Ed. 1.0 - Identical
IEC 60817 : 1ED 84 - Identical
HD 495 : 200S1 - Identical
IEC 60817 : 1ED 84 - Identical
HD 495 : 200S1 - Identical