00313nam a2200133Ia 45000030006000000080041000060400015000471000017000622450052000792500010001312600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBurmah Shell  aInsulating oils for transformers and switchgear  aFirst  c1955  aEnglish20220125170229.0