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Priority claimed from SE7107962Aexternal-prioritypatent/SE373983B/xx
Application filed by Rydell AndersfiledCriticalRydell Anders
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Publication of AT325524BpublicationCriticalpatent/AT325524B/de
E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
Landscapes
Engineering & Computer Science
(AREA)
Architecture
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Civil Engineering
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Structural Engineering
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Road Paving Structures
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AT518272A1971-06-181972-06-16Anordnung für einlauf- und ausflussoffnungen von durchlässen unter landstrassen und verfahren zu ihrer herstellung
AT325524B
(de)