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AT136013B
Expired / Lapsed
AT
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Process for preventing and reducing the decomposition of carbonaceous gases in contact with refractory bricks containing iron oxide at higher temperatures.
Assignee: Ver Stahlwerke Ag
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Filing: 1932-07-13
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Granted: 1933-12-27
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Expires: 1952-07-13
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AT
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2026-10-28 23:32
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