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://visitdorchester.org/media/uploads/d3forms/complete-list-of-united-airlines-customer-service-numbers-24-7-human-support.pdf
https://visitdorchester.org/media/uploads/d3forms/complete-list-of-delta-airlines-customer-service-numbers-24-7-human-support.pdf
https://visitdorchester.org/media/uploads/d3forms/complete-list-of-american-airlines-customer-service-numbers-24-7-human-support.pdf
https://visitdorchester.org/media/uploads/d3forms/complete-list-of-jetblue-airlines-customer-service-numbers-24-7-human-support.pdf
https://visitdorchester.org/media/uploads/d3forms/complete-list-of-air-france-customer-service-numbers-24-7-human-support.pdf
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://www.youtube.com/watch?v=q69DKU4emlU&feature=youtu.be
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf
https://urbanedjournal.gse.upenn.edu/sites/default/files/webform/Complete-List-Of-Price-line-Official-Customer-Service-Contact-Numbers-Guide.pdf