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sklademVydáno: 1972-01-01
IEC 60413:1972
Test procedures for determining physical properties of brush materials for electrical machines
Méthodes d'essai pour la mesure des propriétés physiques des matières de balais pour machines électriques
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Označení normy: | IEC 60413:1972 |
Vydáno: | 1972-01-01 |
DESCRIPTION
IEC 60413:1972
Provides a uniform procedure for determining density and porosity, hardness, resistivity, transverse strength and ash content of brush materials