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。
<a href="https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf">https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf</a>
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<a href="https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf">https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf</a>
<a href="https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf">https://oig.dc.gov/sites/default/files/webform/rafp_online_complaint_form/_sid_/complete-guide-to-official-coinbase%C2%AE-customer-service-numbers-with-step-by-step-instructions_1.pdf</a>