IS: 2556 (Part IV) - 1972 (Reaffirmed 1992); Vitreous sanitary appliances (vitreous china) Part IV specific requiremnts of wash basins

IS: 2556 (Part IV) - 1972 (Reaffirmed 1992); Vitreous sanitary appliances (vitreous china) Part IV specific requiremnts of wash basins - New Delhi BIS 1972 - 12p

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