000 00269nam a2200073 4500
080 _a
_b
245 _aIS: 12155 - 1987 (Reaffirmed 1991); General and Safety Requirements for Fans and Regulators for Household and Similar Purposes
700 _aBureau of Indian Standards
260 _aNew Delhi
_bBIS
_c1988
300 _a16p
999 _c36011
_d36011