IT946872BIT1974772AIT1974772AIT946872BIT 946872 BIT946872 BIT 946872BIT 1974772 AIT1974772 AIT 1974772AIT 1974772 AIT1974772 AIT 1974772AIT 946872 BIT946872 BIT 946872B
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
Priority claimed from JP267671Uexternal-prioritypatent/JPS472222U/ja
Priority claimed from JP9656071Uexternal-prioritypatent/JPS5035789Y2/ja
Priority claimed from JP9744871Uexternal-prioritypatent/JPS5035790Y2/ja
Application filedfiledCritical
Application grantedgrantedCritical
Publication of IT946872BpublicationCriticalpatent/IT946872B/it