40.20 6 nën 1991
40.60 23 mar 1992
This European standard provides guidance and advice on methods and procedures which may be used to ensure compliance with the requirements specified in EN 552. This standard does not include advice on irradiator design, operator training and radiation safety.
prМКС EN 553:2017
40.20 DIS ballot initiated: 12 weeks
6 nën 1991
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