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 JP170888UpriorityCriticalpatent/JPH066186Y2/ja
Priority to US07/291,274prioritypatent/US4875336A/en
Priority to DE3900532Aprioritypatent/DE3900532A1/de
Publication of JPH01108318UpublicationCriticalpatent/JPH01108318U/ja
Application grantedgrantedCritical
Publication of JPH066186Y2publicationCriticalpatent/JPH066186Y2/ja
