000 00244nam a2200073 4500
080 _a
_b
245 _aIS:12819 - 1989 (Reaffirmed 1995); Transformer Oil Feed Stock (Tofs)/Base Stock (Tobs) - Specification
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1990
300 _a2p
999 _c36013
_d36013