GB479184A
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Improvements in electrical devices for determining the degree of vacuum in vacuum insulations
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GB479397A
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Improvements in or relating to hermetically closed heat insulation elements
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GB492666A
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Improvements in heat insulation elements
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US2150182A
|
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Insulation
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GB465980A
|
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Improvements in or relating to heat insulation
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GB471815A
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Improvements in or relating to heat insulation
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DE693914C
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Isolation for refrigerators, consisting of an outer and an inner cabinet wall and layers of insulating air between these walls
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GB465602A
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Improvements in or relating to heat insulating elements
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GB465654A
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Improvements in or relating to heat insulating elements
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US2164143A
|
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Insulation
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US2150181A
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Refrigeration
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US2065608A
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Heat insulating cabinet
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US2162271A
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Heat insulating receptacle
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US2037813A
|
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Heat insulation
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CA363116A
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Refrigerator
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CA365224A
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Insulation
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