IEC: 60051 - 1 - 1997; Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 1 Definitions and General Requirements Common to all parts

IEC: 60051 - 1 - 1997; Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 1 Definitions and General Requirements Common to all parts - Geneva IEC 1997 - 81p

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