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Priority claimed from IT8967682Aexternal-prioritypatent/IT1232430B/en
Priority claimed from IT5305590Uexternal-prioritypatent/IT220396Z2/en
Application filed by Ergom Materie Plastiche SpafiledCriticalErgom Materie Plastiche Spa
Priority claimed from EP90830358Aexternal-prioritypatent/EP0412067B1/en
Application grantedgrantedCritical
Publication of ATE102553T1publicationCriticalpatent/ATE102553T1/en