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.)
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Priority to JP2915988UpriorityCriticalpatent/JPH01132423U/ja
Priority to US07/313,681prioritypatent/US4974743A/en
Priority to DE3943710Aprioritypatent/DE3943710C2/de
Priority to DE3905611Aprioritypatent/DE3905611C2/de
Priority to DE3943711Aprioritypatent/DE3943711C2/de
Publication of JPH01132423UpublicationCriticalpatent/JPH01132423U/ja
