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Application filed by Ferdinand MebertfiledCriticalFerdinand Mebert
Publication of CH39343ApublicationCriticalpatent/CH39343A/de
CH39343A1907-03-091907-03-09Einrichtung zur Verhütung des direkten Aufeinanderstoßens der zwei Rauchsäulen bei Rohranschlußstellen von Schornsteinen
CH39343A
(de)