Martens L. Tekhnicheskaya entsiklopediya. Tom 8. Zhidkiy ugol-Izolyatsionnye elektrotekhnicheskie materialy./Martens L. Technical Encyclopedia. Volume 8. Liquid Carbon-Insulation Electrical Materials. In Russian - landofmagazines.com

TransliterationMartens L. Tekhnicheskaya entsiklopediya. Tom 8. Zhidkiy ugol-Izolyatsionnye elektrotekhnicheskie materialy.

In EnglishMartens L. Technical Encyclopedia. Volume 8. Liquid Carbon-Insulation Electrical Materials. In Russian

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