000 00234nam a2200073 4500
080 _a
_b
245 _aIS: 7788 - 1975 (Reaffirmed 1991); Specification for single-phase traction power convertors
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1976
300 _a60p
999 _c35255
_d35255