Обновленные национальные стандарты измерения газовых отверстий

Category： Промышленные новости

Time：2024-12-18

В 2008 году, со ссылкой на последние международные стандарты, такие как ISO 5167 - 1,2 (издание 2003 года), Государственное управление по контролю качества, инспекции и карантину обнародовало последний стандарт GB / T21446 - 2008 « Стандартный расходомер диафрагмы для измерения потока природного газа», Замена SY / T6143 - 2004 « Метод измерения стандартных диафрагм расхода природного газа».

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