|
US2088601A
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Apparatus for vacuum crystallization
|
|
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|
|
Evaporator
|
|
US1884727A
|
|
Rotary drum drier
|
|
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|
|
Evaporator
|
|
US1883378A
|
|
Concentrator
|
|
US1831121A
|
|
Evaporating apparatus
|
|
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|
|
Evaporator
|
|
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|
|
Evaporator
|
|
US1726751A
|
|
Drying apparatus
|
|
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|
|
Process for drying liquid materials
|
|
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|
|
Drum drier
|
|
US1560598A
|
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Vacuum drying apparatus
|
|
US1562713A
|
|
Evaporator
|
|
US1561544A
|
|
Valve-operating mechanism
|
|
US1672218A
|
|
Stirring device for driers
|
|
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|
|
Drying and cooling apparatus
|
|
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|
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Mounting for fusion kettles
|
|
US1488622A
|
|
Mounting for fusion kettles
|
|
US1353980A
|
|
Drier
|
|
US1426920A
|
|
Autoclave
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