BS EN 81346-2:2009现行
Industrial systems, installations and equipment and industrial products. Structuring principles and reference designations. Classification of objects and codes for classes
出版：British Standards Institution
专家解读视频
Describes classes and subclasses of objects based on a purpose- or task-related view of the objects, together with their associated letter codes to be used in reference designations.
© British Standards Institution 2013
IEC 81346-2 Ed. 1.0 - Identical
EN 81346-2:2009 - Identical
IEC 81346-2 : 1.0 - Identical
EN 81346-2 : 2009 - Identical
