Insulators of Ceramic or Glass Material Overhead Lines with A Nominal Voltage Greater than 1000V—Impulse Tolerance Tests in Steep Wave DL/T 557-1994 - Professional Category:DL/T 557-1994

DL/T 557-1994 Insulators of Ceramic or Glass Material Overhead Lines with A Nominal Voltage Greater than 1000V—Impulse Tolerance Tests in Steep Wave

高压线路绝缘子陡波冲击耐受试验--定义、试验方法和判据;

Category No.:	DL	Valid Status:	superseded
Issued Organization:		Issued Date:
Implemented Date:		Abolished Date:
Superseded Standard.:	DL/T 557-2005 Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V -- impulse puncture tests in air	Superseded Date:	2005-6-1

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