IS: 1448(Part 55) - 1963 (Reaffirmed 1990); Methods of test for petroleum and its products Part 55 saponification value, saponifiable and unsaponifiable matter

IS: 1448(Part 55) - 1963 (Reaffirmed 1990); Methods of test for petroleum and its products Part 55 saponification value, saponifiable and unsaponifiable matter - New Delhi BIS 1965 - 22p

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