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 JP8703472UpriorityCriticalpatent/JPS4943997U/ja
Priority to US00296750Aprioritypatent/US3822662A/en
Priority to GB4777272Aprioritypatent/GB1397280A/en
Priority to CA154,095Aprioritypatent/CA962532A/en
Priority to NO375372Aprioritypatent/NO137433C/no
Publication of JPS4943997UpublicationCriticalpatent/JPS4943997U/ja