チューブを2重構造にすることにより耐圧力が0.7~1MPa程度まで向上させるための試作開発を進めています。順次2重構造のチューブに切替えていく予定です。
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305
https://community.imusician.pro/t/full-list-of-united-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/19305d