IS: 2720-PART 25-1982 Methods of test for soils part xxv: Determination of silica sesquioxide ratio
BUREAU OF INDIAN STANDARDS
IS: 2720-PART 25-1982 Methods of test for soils part xxv: Determination of silica sesquioxide ratio - NEW DELHI BIS 1983 - 7p
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IS: 2720-PART 25-1982 Methods of test for soils part xxv: Determination of silica sesquioxide ratio - NEW DELHI BIS 1983 - 7p
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