IS: 2720(PART 27)-1977 Methods of test for soils part XXVII: Determination of total soluble sulphates
BUREAU OF INDIAN STANDARDS
IS: 2720(PART 27)-1977 Methods of test for soils part XXVII: Determination of total soluble sulphates - NEW DELHI BIS 1978 - 9p
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IS: 2720(PART 27)-1977 Methods of test for soils part XXVII: Determination of total soluble sulphates - NEW DELHI BIS 1978 - 9p
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