for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)

Full Title

Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 > for special use (for evacuating by absorption or adsorption F04B37/02; for evacuating by thermal means F04B37/06)

Child Classifications

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• F04B 37/12 to obtain high pressure
• F04B 37/14 to obtain high vacuum
• F04B 37/18 for specific elastic fluids