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CS383687A1
|
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Water cooler with inner preheating
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CS120787A1
|
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Air cooled exchanger
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CS504486A1
|
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Heat exchanger with aluminium ribbed tubes
|
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CS247945B1
|
|
Heat exchanging tube with inside built-in element
|
|
CS248785B1
|
|
Gear for independent control of the output shaft of the small tractor
|
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CS918984A1
|
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Panel pneumatic box for air-cooled heat exchangers
|
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CS830183A1
|
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Distribution chamber for roof type air-cooled condensers
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CS228377B1
|
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Hydraulic system for fan blades indexing
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CS182021B1
|
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Louvers for air-cooled heat exchangers
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US841416A
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Mine-shaft.
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GB190603635A
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Improvements in and relating to Barriers for Mine Shafts.
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