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Application filed by Ferdinand Ing KlingerfiledCriticalFerdinand Ing Klinger
Priority to AT633061ApriorityCriticalpatent/AT226932B/de
Application grantedgrantedCritical
Publication of AT226932BpublicationCriticalpatent/AT226932B/de
AT633061A1961-08-171961-08-17Hohlformstein, Verfahren zu dessen Herstellung sowie aus solchen Hohlformsteinen gebildeter Hohlsteinbalken
AT226932B
(de)