000 00377nam a2200109Ia 4500
082 _aIS CODE
_bB.I.S
100 _aBureau of Indian Standards[BIS]
245 _aIS:1634-1992. Indian standard design and construction of wood stairs for houses-code of practice (Second revision).
260 _aNew Delhi
_bBureau of Indian Standards
_c1992
300 _a6p.
890 _aIndia
999 _c18350
_d18350