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Priority to JP4949783UpriorityCriticalpatent/JPS59156988U/ja
Publication of JPS59156988UpublicationCriticalpatent/JPS59156988U/ja
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Publication of JPS6214217Y2publicationCriticalpatent/JPS6214217Y2/ja
Dispositif permettant de fixer amoviblement un element de couronnement, tel qu'un couvercle ou tampon d'un regard de chaussee, a un cadre de support