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CAN/CSA-C411.4-98 (R2003)
Composite Suspension Insulators for Transmission Applications
现行
发布日期 :
1970-01-01
实施日期 :
1. Scope and Objectives 1.1 Scope This Standard applies to suspension and dead-end composite insulators used on ac overhead transmission lines with a nominal voltage 69 kV or greater and a frequency not greater than 100 Hz. 1.2 Objectives The