Fluids for electrotechnical applications - unused mineral insulating oils for transformers and switchgear 電工用液體.變壓器和開關(guān)設(shè)備用的未使用過的礦物絕緣油
Fluids for electrotechnical applications - unused mineral insulating oils for transformers and switchgear 電工用液體.變壓器和開關(guān)設(shè)備用的未使用過的礦物絕緣油
Fluids for electrotechnical applications . gassing of insulating liquids under electrical stress and ionization 電工裝置用流體.在電介質(zhì)應(yīng)力和電離作用下絕緣液體的氣體處理
Fluids for electrotechnical applications . methods for the determination of the lighting impulse breakdown - voltage of insulating liquids 電工裝置用流體.絕緣液體光脈沖擊穿電壓的測定方法
Fluids for electrotechnical applications . halogenous isolating liquids for transformers , other than pcb . general . test methods . specifications 電工技術(shù)用流體.除pcb外,變壓器liht用的鹵化絕緣液.總則.試驗(yàn)方法.規(guī)范