DIN EN 81346-1:2010
工業(yè)系統(tǒng)、設(shè)施、設(shè)備和工業(yè)產(chǎn)品.結(jié)構(gòu)原則和基準(zhǔn)標(biāo)識.第1部分:基本準(zhǔn)則(IEC 81346-1-2009).德文版本EN 81346-1-2009
Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 1: Basic rules (IEC 81346-1:2009); German version EN 81346-1:2009