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 JP18872986UpriorityCriticalpatent/JPS6391966U/ja
Priority to GB8721111Aprioritypatent/GB2195076B/en
Priority to US07/094,778prioritypatent/US4766636A/en
Priority to DE19873730620prioritypatent/DE3730620A1/de
Publication of JPS6391966UpublicationCriticalpatent/JPS6391966U/ja