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 JP11825277UpriorityCriticalpatent/JPS5444980U/ja
Priority to DE2815815Aprioritypatent/DE2815815C3/de
Priority to GB15049/78Aprioritypatent/GB1579906A/en
Priority to US05/897,638prioritypatent/US4186285A/en
Publication of JPS5444980UpublicationCriticalpatent/JPS5444980U/ja
