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://bnact-so.org/machform/data/form_39403/files/element_3_12da15888aece52b07f9995c62e2a9c2-Full-List-of-United-Airlines-Customer-USA-Contact-Numbers-A-Simple-Step-Guide.pdf.tmphttps://www.carterque.com/wp-content/uploads/formidable/2/Quick-List-of-Expedi-tm-Official-Customer-Service-24-7-Live-Person-Support-Contact-Numbers.pdf
https://bnact-so.org/machform/data/form_39403/files/element_3_12da15888aece52b07f9995c62e2a9c2-Full-List-of-United-Airlines-Customer-USA-Contact-Numbers-A-Simple-Step-Guide.pdf.tmphttps://www.carterque.com/wp-content/uploads/formidable/2/Quick-List-of-Expedi-tm-Official-Customer-Service-24-7-Live-Person-Support-Contact-Numbers.pdf