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。
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https://www.buzzfeed.com/vrbo_agency_us
https://www.buzzfeed.com/call_vrbo_number
https://www.buzzfeed.com/orbitz_agency_care
https://www.buzzfeed.com/orbitz_us_agency_number
https://www.buzzfeed.com/call_orbitz
https://www.buzzfeed.com/hotwire_book_agency
https://www.buzzfeed.com/funjet_vacations_agency
https://www.buzzfeed.com/call_funjet_vacations
https://www.buzzfeed.com/vrbo_agency_number
https://www.buzzfeed.com/vrbo_agency_us
https://www.buzzfeed.com/call_vrbo_number
https://www.buzzfeed.com/orbitz_agency_care
https://www.buzzfeed.com/orbitz_us_agency_number
https://www.buzzfeed.com/call_orbitz
https://www.buzzfeed.com/hotwire_book_agency
https://www.buzzfeed.com/funjet_vacations_agency
https://www.buzzfeed.com/call_funjet_vacations
https://www.buzzfeed.com/vrbo_agency_number