000 00238nam a2200073 4500
080 _a
_b
245 _aIS: 8633 - 1977; Technical Requirements for Location of Boiler Installations and Boiler Houses
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1978
300 _a4p
999 _c26693
_d26693