沐鸣2官方在线客服_国家工信部批准《氧气用球阀》等17项阀门行业标准，2023年4月1日开始实施
10月20日，国家工业和信息化部发布2022年第23号公告批准《氦气纯化器》等1036项行业标准，其中《水力控制阀》等17项阀门行业标准批准发布，具体 名单如下：
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