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GB/T for Composite insulator
- May 16, 2018 -

GB/T 19519

Composite insulators for a.c. overhead lines with a nominal voltage above 1000 V - Definitions, test methods and acceptance criteria.


GB/T 20142

Line post composite insulators for a.c. overhead lines with a nominal voltage above 1000 V - Definitions, test methods and acceptance criteria.




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