Lubrication of machines or apparatus working under extreme conditions (additives to lubricating oil or lubricating grease C10M)

Child Classifications

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• F16N 17/02 at high temperature (of turbines F01D, F02C; lubrication of machines or engines in general, of internal-combustion engines F01M)
• F16N 17/04 at low temperature (lubrication of refrigerating machines F25B)
• F16N 17/06 in vacuum or under reduced pressure (lubrication of evacuating pumps F04; of rotary anodes of X-ray tubes H01J35/10)