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 JP1973100449UpriorityCriticalpatent/JPS5535701Y2/ja
Priority to US05/498,985prioritypatent/US3959706A/en
Priority to DE2440218Aprioritypatent/DE2440218C3/de
Priority to GB37272/74Aprioritypatent/GB1480957A/en
Publication of JPS5045671UpublicationCriticalpatent/JPS5045671U/ja
Priority to HK565/79Aprioritypatent/HK56579A/xx
Application grantedgrantedCritical
Publication of JPS5535701Y2publicationCriticalpatent/JPS5535701Y2/ja