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Priority to JP11186789UpriorityCriticalpatent/JPH0439343Y2/ja
Publication of JPH0350680UpublicationCriticalpatent/JPH0350680U/ja
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Publication of JPH0439343Y2publicationCriticalpatent/JPH0439343Y2/ja
A foundation element, methods for the construction of prefabricated structures including these elements, particularly prefabricated tunnels, and prefabricated structures made by these methods