000 00252nam a2200073 4500
080 _a
_b
245 _aIS: 335-1963 (with Amendemnt No.1 -1965); Specifiction for Insulating Oils for Transformers and Switchgear
700 _aIndian Standards Institutions
260 _aNew Delhi
_bBIS
_c1963
300 _a29p
999 _c24377
_d24377