HD 523.3.121.122 S1-1990 Specification for Flexible Insulating Sleeving Part 3: Specification Requirement for Individual Types of Sleeving Sheets 121 and 122: Extruded Silicone Sleevings
European Committee for Electrotechnical Standardization(CENELEC)
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HD 523.3.121.122 S1-1990
HD 523.3.121.122 S1-1990 history
1990HD 523.3.121.122 S1-1990 Specification for Flexible Insulating Sleeving Part 3: Specification Requirement for Individual Types of Sleeving Sheets 121 and 122: Extruded Silicone Sleevings