Is 11991959 is for a specification for standard sand

IS : 1199 – 1959

1 IS 1199:1959: Methods of sampling and analysis of concrete · Slump test · Compacting factor test · Flow of cement concrete using flow table · Determination of

is 7lucky legit IS 1199 : 1959 Methods of Sampling and Analysis of Concrete Technical Committee : CED 2 Superseeded by : IS 1199 : Part 1 to 7

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