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Application filed by Oesterr Amerikan MagnesitfiledCriticalOesterr Amerikan Magnesit
Application grantedgrantedCritical
Publication of AT167781BpublicationCriticalpatent/AT167781B/en
AT167781D1949-04-141949-04-14
Vaults for industrial furnaces or their parts, in particular for the gas cables of Siemens-Martin furnaces
AT167781B
(en)