[{"text":"Building technology\/Room technology","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":{"160201":{"text":"Intelligent building technology","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null},"160202":{"text":"Light switches","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null},"160203":{"text":"Intercoms","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null},"160204":{"text":"Electrical sockets","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null},"160205":{"text":"Connected home","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null},"160206":{"text":"Other building technology","link":"\/imm-cologne-exhibitors\/list-of-exhibitors\/?route=aussteller\/index&&tab=1&haupt=1602","children":null}}}]