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IS/IEC 61557 : Part 1 : 2019 ( IEC 61557 : Part 1: 2019)
Electrical safety in low voltage distribution systems up to 1000 V ac and 1500 V dc - Equipment for testing, measuring or monitoring of protective measures: Part 1 general requirements
Technical Committee :
ETD 12
Price :
₹ 3,700.00 ( US$ 44.00)