000 00247nam a2200073 4500
080 _a
_b
245 _aIS: 335 - 1953; Specification for Insulating Oil for Transformers and Switchgear (Low viscosity type)
700 _aIndian Standards Institutions
260 _aNew Delhi
_bBIS
_c1953
300 _a14p
999 _c24378
_d24378