IEC: 388 - 1 - 1972; Thermal time delay switches for use in equipment for telecommunication and in electronic applications employing similar techniques Part1 general resquirements and measuring methods
IEC: 388 - 1 - 1972; Thermal time delay switches for use in equipment for telecommunication and in electronic applications employing similar techniques Part1 general resquirements and measuring methods
- Geneva IEC 1972
- 45p
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