IS: 1448 (P 103) - 1981; Methods of test for petroleum and its products Part 103 Barium, Callcium, Phosphorus and Zinc in lubricating oils by direct reading emission spectrographic method
IS: 1448 (P 103) - 1981; Methods of test for petroleum and its products Part 103 Barium, Callcium, Phosphorus and Zinc in lubricating oils by direct reading emission spectrographic method
- New Delhi BIS 1981
- 5p
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