JB/T 2304-2018 电动润滑泵装置型式参数与尺寸（20MPa）

JB/T 2304-2018 Electric lubricating pump type and dimension parameters (20MPa) Note: The above text translates the specific details of the electric lubricating pump, but does not provide the context or explanation needed for a complete translation. If you have more specific questions or need help understanding the text, please provide more information and I will do my best to assist you