
German Construction Contract Procedures (vob) - Part B: General Conditions Of Contract Relating To The Execution Of Construction Work
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
German Construction Contract Procedures (vob) - Part B: General Conditions Of Contract Relating To The Execution Of Construction Work
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻