China Measurement of heliu GB Standards Search Result

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	GB/T 34533-2017 Measurement of helium porosity and pulse decay permeability of shale 页岩氦气法孔隙度和脉冲衰减法渗透率的测定 - 英文版
	GB/T 7257-2013 Measurement methods of parameter for helium-neon laser 氦氖激光器参数测量方法 - 英文版
	GB/T 30109-2013 AC loss measurements―Total AC loss measurement of round superconducting wires exposed to a transverse alternating magnetic field at liquid helium temperature by a pickup coil method 交流损耗测量液氦温度下横向交变磁场中圆形截面超导线总交流损耗的探测线圈测量法 - 英文版

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