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 JP6334471UpriorityCriticalpatent/JPS4821629U/ja
Priority to US00225438Aprioritypatent/US3827394A/en
Priority to GB687372Aprioritypatent/GB1385373A/en
Priority to DE19722206987prioritypatent/DE2206987C3/de
Publication of JPS4821629UpublicationCriticalpatent/JPS4821629U/ja