ATMOSPHERE CONTROLLER, HEATER, HEATING METHOD OF WORKPIECE, AND MANUFACTURING METHOD OF MOLDING
To provide an atmosphere controller capable of suppressing generation of a scale of a welded portion when heating a welded workpiece, by making it possible to control an atmosphere only in the vicinity of the welded portion, by suppressing an influence on an entire atmosphere in a heating furnace, w...
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Format: | Patent |
Sprache: | eng ; jpn |
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