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pressure

The scope is defined as the maximum working pressure is greater than or equal to 0.1MPa (gauge pressure) gas, liquefied gas and the maximum working temperature is higher than or equal to the standard boiling point of the liquid, the volume is greater than or equal to 30L and the internal diameter (non-circular section refers to the maximum geometric size of the boundary of the section) is greater than or equal to 150mm of fixed containers and mobile containers; Gas cylinders with nominal working pressure greater than or equal to 0.2MPa (gauge pressure), and the product of pressure and volume g

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