标准号:NF C26-231-1974 有效
英文名称:Methods of testing insulating materials.recommended methods for thedetermination of the dielectric properties of insulating material at frequencies above 300 MHz. Mhodes d'essai des maties isolantes. Mhodes recommands pour la dermination des propri diectriques de matiaux isolants aux fruences supieures 300 MHz. Modified by NF C26-231/AM1:197809 (C26-231/AM1)
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