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Aceites vegetales
1
Aisladores elčtricos
1
Conductores elčtricos
1
Dielectric devices; Dielectrics; Electric insulators and insulation oils; Electric transformers
1
Dispositivos dielčtricos; Dielčtricos; Aceites para aisladores elčtricos; Transformadores elčtricos
1
Electric conductors
1
Electric insulators and insulation
1
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1