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GB974015A
|
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Improvements in or relating to heat pump and refrigeration systems
|
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ES267434A1
|
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An apparatus using a drive impeller (Machine-translation by Google Translate, not legally binding)
|
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IE24915L
|
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Impeller rotor for pumps, fans, etc.
|
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GB949389A
|
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Improvements in or relating to coolers for example for containers for beverages
|
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GB891573A
|
|
Improvements in or relating to heat pump systems
|
|
GB905473A
|
|
Improvements in or relating to impellers
|
|
GB890212A
|
|
Improvements in or relating to refrigerating systems
|
|
GB822519A
|
|
Improvements in or relating to heat pump systems
|
|
GB821079A
|
|
Improvements in or relating to heat pump systems
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