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 JP1969110348UpriorityCriticalpatent/JPS4825131Y1/ja
Priority to DE2056738Aprioritypatent/DE2056738C3/de
Priority to FR707041574Aprioritypatent/FR2068555B1/fr
Priority to GB5519970Aprioritypatent/GB1328980A/en
Publication of JPS4825131Y1publicationCriticalpatent/JPS4825131Y1/ja
Priority to US06/023,776prioritypatent/US4272170A/en