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Refrigerant recovery apparatus

Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...

Patent

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Refrigerant recovery apparatus and method

Refrigeration – Processes – Assembling – charging – or repairing of refrigeration producer

Patent

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Refrigerant recovery device

Refrigeration – With means for charging closed refrigeration producing system

Patent

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Refrigerant recovery device

Refrigeration – Processes – Assembling – charging – or repairing of refrigeration producer

Patent

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Refrigerant recovery device

Refrigeration – With means for charging closed refrigeration producing system

Patent

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Refrigerant recovery device

Refrigeration – Storage of solidified or liquified gas – Liquified gas transferred as liquid

Patent

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Refrigerant recovery device

Refrigeration – With means for charging closed refrigeration producing system

Patent

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Refrigerant recovery device

Refrigeration – With means for charging closed refrigeration producing system

Patent

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Refrigerant recovery device with vacuum operated check valve

Refrigeration – Automatic control – Withdrawing or adding refrigerant from or to normally closed...

Patent

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Refrigerant recovery method

Refrigeration – Processes – Assembling – charging – or repairing of refrigeration producer

Patent

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Refrigerant recovery method

Refrigeration – Processes – Separating or preventing formation of undesirables

Patent

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Refrigerant recovery scheme

Refrigeration – Processes – Circulating external gas

Patent

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