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Individual
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Individual
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Priority to ES0043864UpriorityCriticalpatent/ES43864U/en
Publication of ES43864UpublicationCriticalpatent/ES43864U/en
New hatch for furnaces, characterized by consisting of a general, rectangular metal frame, in which are inscribed an upper longitudinal window, a hatch below that and a chimney on one side that opens behind the assembly, inside the furnace, and then it is layered to leave entirely outside of that, where it offers a key to regulate the pressure of the furnace atmosphere. (Machine-translation by Google Translate, not legally binding)
ES0043864U1954-09-091954-09-09New hatch for ovens (Machine-translation by Google Translate, not legally binding)
PendingES43864U
(en)