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://asiministries.org/wp-content/uploads/formidable/70/full-list-of-quickbooks-support-247-live-person-support-numbers-a-assistance-guide.pdf.pdf
https://asiministries.org/wp-content/uploads/formidable/70/a-full-list-of-quickbooks-paYroll-24-7-live-person-support-numbers-a-complete-guide.pdf