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US1760378A
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Vacuum-walled container
|
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GB258603A
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Improvements in spindles for spinning machines
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Maeufacture of double-walled glass vessels
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GB258286A
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Improvements in spindles for spinning machines
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Improvements in or relating to the manufacture of double-walled glass flasks
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An improved method of manufacturing double-walled dewar vessels of glass
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An improved method of making the opening for the evacuation cap in double-walled glass dewar vessels
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Improvements in or relating to vacuum insulated vessels
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Improvements in and relating to double walled vacuuminsulated vessels
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