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://singaporemotherhood.com/forum/threads/full%E2%84%A2-list-of-%E2%89%8Bunited-airlines%E2%93%83-customer%C2%A9-service%E2%84%97-24-7-live-person-support-numbers-a-complete-guide.304053/ |
https://singaporemotherhood.com/forum/threads/full%E2%84%A2-list-of-%E2%89%8Bamerican-airlines%E2%93%83-customer%C2%A9-service%E2%84%97-24-7-live-person-support-numbers-a-complete-guide.304054/ |
https://singaporemotherhood.com/forum/threads/full%E2%84%A2-list-of-%E2%89%8Bdelta-airlines%E2%93%83-customer%C2%A9-service%E2%84%97-24-7-live-person-support-numbers-a-complete-guide.304056/ |
https://singaporemotherhood.com/forum/threads/full%E2%84%A2-list-of-%E2%89%8Bunited-airlines%E2%93%83-customer%C2%A9-care%E2%84%97-24-7-live-person-support-numbers-a-complete-guide.304059/ |










