2020 ADHERSIVE CHINA 2020 COMVAC AISA 2019 HANNOVER MESSE COMVAC AISA 2019 2019 ADHERSIVE CHINA 2018 COMVAC AISA 2018 ADHERSIVE CHINA 2017 ADHERSIVE CHINA 2017 COMVAC AISA 2017 GAS CHINA 2017 HANNOVER MESSE 2016 COMVAC AISA 2015 COMVAC AISA 2015 HANNOVER MESSE