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Priority to DD19982977ApriorityCriticalpatent/DD132189A1/de
Publication of DD132189A1publicationCriticalpatent/DD132189A1/de
DD19982977A1977-07-011977-07-01Verfahren zur thermischen entcarbonisierung von kesselspeisewaessern und waessern fuer die waermeversorgung
DD132189A1
(de)
Zuleitungen fuer elektrische heizelemente eines zylinderfoermigen langgestreckten ofens zur behandlung von material bei hoher temperatur in einer gasatmosphaere unter hohem druck