4. Refrigeration
  5. Low pressure cold trap process and apparatus

Gustav A. Johansson

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Apparatus for conveying liquids

Refrigeration – Low pressure cold trap process and apparatus
Patent

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Dryer for a refrigeration plant

Refrigeration – Refrigeration producer – With refrigerant treater
Patent

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Valve apparatus for evacuating and/or filling a refrigeration sy

Refrigeration – With means for charging closed refrigeration producing system
Patent

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Profile ID: LFUS-PAI-P-458785

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