Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP11508085UpriorityCriticalpatent/JPS6223236U/ja
Publication of JPS6223236UpublicationCriticalpatent/JPS6223236U/ja
Piece decoupee de tole pour la configuration d'un tuyau interieur pourvu de nervures longitudinales pliees qui peut etre mis en place dans un tuyau exterieur