IEC: 60331-Part 21-1999: Specifications for Tests for Electric Cables under fire conditions - circuit integrity Part 21 - procedures and requirements - cables of rated voltage upto and including 0,6/1,0 kV

IEC: 60331-Part 21-1999: Specifications for Tests for Electric Cables under fire conditions - circuit integrity Part 21 - procedures and requirements - cables of rated voltage upto and including 0,6/1,0 kV - Geneva IEC 23

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