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 JP1972132119UpriorityCriticalpatent/JPS5441786Y2/ja
Priority to DE2342126Aprioritypatent/DE2342126C3/de
Priority to GB4033173Aprioritypatent/GB1449661A/en
Priority to US391485Aprioritypatent/US3882804A/en
Publication of JPS4988057UpublicationCriticalpatent/JPS4988057U/ja
Application grantedgrantedCritical
Publication of JPS5441786Y2publicationCriticalpatent/JPS5441786Y2/ja