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Priority to JP1978170904UpriorityCriticalpatent/JPS5736664Y2/ja
Publication of JPS5588415UpublicationCriticalpatent/JPS5588415U/ja
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Publication of JPS5736664Y2publicationCriticalpatent/JPS5736664Y2/ja
Beammlike structure portion material* which two pieces are continuously mounted before and behind especially* connection structure that can be displaced in longitudinal
Beammlike structure portion material* which two pieces are continuously mounted before and behind especially* connection structure that can be displaced in longitudinal