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。
<p><span data-sheets-root="1"><a class="in-cell-link" href="https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/" target="_blank">https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/</a></span></p><p><span data-sheets-root="1"><a class="in-cell-link" href="https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/" target="_blank">https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/</a></span></p>
<p><span data-sheets-root="1"><a class="in-cell-link" href="https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/" target="_blank">https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/</a></span></p>
<p><span data-sheets-root="1"><a class="in-cell-link" href="https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/" target="_blank">https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/</a></span></p>
<p><span data-sheets-root="1"><a class="in-cell-link" href="https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/" target="_blank">https://www.head-case.org/forums/topic/35606-full-list-of-air-france%C2%AE%EF%B8%8F-customer%E2%84%A2-service-usa-contact-numbers-a-complete-2025-guide/</a></span></p>