IS CODE OF PRACTICE FOR PLUMBING IN MULTI STOREYED BUILDING PART I WATER SUPPLY
IS 12183 PART 11987
IS CODE OF PRACTICE FOR PLUMBING IN MULTI STOREYED BUILDING PART I WATER SUPPLY - 1 - DELHI BUREAU OF INDIAN STANDARD 1988 - 18
IS CODE OF PRACTICE FOR PLUMBING IN MULTI STOREYED BUILDING PART I WATER SUPPLY - 1 - DELHI BUREAU OF INDIAN STANDARD 1988 - 18