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 JP6442788UpriorityCriticalpatent/JPH01171717U/ja
Priority to US07/313,681prioritypatent/US4974743A/en
Priority to DE3943710Aprioritypatent/DE3943710C2/de
Priority to DE3943711Aprioritypatent/DE3943711C2/de
Priority to DE3905611Aprioritypatent/DE3905611C2/de
Publication of JPH01171717UpublicationCriticalpatent/JPH01171717U/ja
