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International Standard Category: Surface treatment and coating in general

QJ 2220.5-1994    Test Method for Electrical Insulation Properties of Coating - Measurement of Dielectric Loss Tangent at Power Frequency, Audio Frequency and High Frequency
涂层电绝缘性能测试方法 工频、音频和高频下介质损耗角正切的测试方法 ;
Category No.:25.220.01 Valid Status:valid
Issued Organization: Issued Date:1994-04-27
Implemented Date:1994-10-27 Abolished Date:
Superseded Standard.: Superseded Date:
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