IS:1634-1992. Indian standard design and construction of wood stairs for houses-code of practice (Second revision).
Bureau of Indian Standards[BIS]
IS:1634-1992. Indian standard design and construction of wood stairs for houses-code of practice (Second revision). - New Delhi Bureau of Indian Standards 1992 - 6p.
IS CODE / B.I.S
IS:1634-1992. Indian standard design and construction of wood stairs for houses-code of practice (Second revision). - New Delhi Bureau of Indian Standards 1992 - 6p.
IS CODE / B.I.S