
Method of test for petroleum and its products. BS 2000-527. Petroleum products and lubricants. Determination of low-temperature cone penetration of lubricating greases
出版:British Standards Institution

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Method of test for petroleum and its products. BS 2000-527. Petroleum products and lubricants. Determination of low-temperature cone penetration of lubricating greases
出版:British Standards Institution
专家解读视频