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Panel for collecting solar energy from a bituminous surface covering on a building heated by solar radiation
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Exhaust gas after-treatment devices with increased friction between honeycomb monolith and encapsulation
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Portable vehicle emission control devise
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Improved filter
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Dust filter for hot gases
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Dual soot trap for diesel engines
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Method for Preparing a filter body
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Heated Silicon carbide filter
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Materials and manufacturing thereof
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Sleep extrades in module building
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Filter
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Method of filtering particles from a flue gas, a flue gas filter means and a vehicle
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flue gas filter
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Regeneration of electrical conductive filter elements
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Alloy sheet filter for flue gases
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catalytic converter
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Method for preparing a porous filter body
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Fuel gas filter and method for filtering of roeg gas
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Fuel gas filter and method for filtering of roeg gas
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