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2013
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Invention
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Method for treating elongated metal product by heating and oxidizing the surface in a controlled ... |
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1996
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Invention
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Method and roller grill for burning refuse. Enriching combustion air with oxygen when refuse is b... |
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1994
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Invention
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Process for the cryogenic production of blow moulded plastic parts. The invention relates to a pr... |
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Invention
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Process and device for producing blow-moulded plastic parts. The invention relates to a process f... |
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1992
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Invention
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Method for recovering a sterilizing gas. In a method and an apparatus for recovering a sterilizin... |