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Application filedfiledCritical
Priority to DD17656574ApriorityCriticalpatent/DD112804A1/xx
Priority to DE19742459508prioritypatent/DE2459508A1/de
Priority to CS58175Aprioritypatent/CS189908B1/cs
Publication of DD112804A1publicationCriticalpatent/DD112804A1/xx
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
E06B9/01—Grilles fixed to walls, doors, or windows; Grilles moving with doors or windows; Walls formed as grilles, e.g. claustra