
Safety rules for the construction und installation of lifts Part 3: Electric and hydraulic service lifts (includes Amendment A1:2008 + Corrigendum AC:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Safety rules for the construction und installation of lifts Part 3: Electric and hydraulic service lifts (includes Amendment A1:2008 + Corrigendum AC:2009)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻