00329 a2200133 4500 502 20260427163312.0 CD 690.0282 T5311 2023 3G handy guide: Construction operations and supervision / 3G E-Learning; 2023 1 Compact disc NPM ddc CD 41057 41057 0 0 ddc 0 0 NPM SB SB CD/DVD 2026-04-27 0 CD 690.0282 T5311 2023 CD 502 2026-04-27 2026-04-27 CD