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 JP17670876UpriorityCriticalpatent/JPS5397654U/ja
Priority to US05/863,413prioritypatent/US4184317A/en
Priority to DE2758194Aprioritypatent/DE2758194C2/de
Priority to GB54002/77Aprioritypatent/GB1567589A/en
Publication of JPS5397654UpublicationCriticalpatent/JPS5397654U/ja