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Continue to ChatIS 455 : 1989 - Indian Standard Portland Slag Cement Code - Available for Download https://civilengineer.co.in/indian-standard-codes/455-1989-indian-standard-portland-slag-cement-code-download/
IS 455 : 1989 - Indian Standard Portland Slag Cement Code - Available for Download https://civilengineer.co.in/indian-standard-codes/455-1989-indian-standard-portland-slag-cement-code-download/