Robuta

https://patents.google.com/patent/CN201089752Y/en CN201089752Y - Self-ignition type electric stalk product units - Google Patents A self-lighting type electronic straw product unit comprises a gas producer, a water-cooling apparatus and an air-cooling apparatus, wherein, a dry... product unitsselfignitiontypeelectric https://kth.diva-portal.org/smash/record.jsf?pid=diva2:1924844 How must Production Units Change to Support Product-Service Systems? production unitschange tomustsupportservice