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Application filed by Singer Co Naehmaschinen Act GefiledCriticalSinger Co Naehmaschinen Act Ge
Application grantedgrantedCritical
Publication of AT9815BpublicationCriticalpatent/AT9815B/de
Einrichtung zur Sicherstellung geschlossener Arbeitsgefäße, in denen das Arbeitsgut unter Zutritt von Schutzgas mit feuergefährlicher Flüssigkeit behandelt wird.