China 'GB 9706.271-2022
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
Medical electrical equipment - Part 2-71: Particular requirements for basic safety and essential performance of functional near-infrared spectroscopy (NIRS) equipment 医用电气设备 第2-71部分：功能性近红外光谱(NIRS)设备的基本安全和基本性能专用要求
The Standardization Administration of the People's Republic of China
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