| 摘要 |
The invention relates to a lubricant for motors having silver bearings, employed in driving railway engines, fluvial and maritime ships. According to the invention, the lubricant comprises paraffin or paraffin-naphthenic oil with a content of 0.38...0.59% calcium, 0.008...0.012% molybdenum, 0.07...0.093% nitrogen, the percentage being expressed by weight.
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