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 JP15028887UpriorityCriticalpatent/JPH0616326Y2/ja
Priority to CN88104517Aprioritypatent/CN1014553B/zh
Priority to GB8817225Aprioritypatent/GB2207876B/en
Priority to KR1019880009102Aprioritypatent/KR930002497B1/ko
Priority to CH2795/88Aprioritypatent/CH677168B5/fr
Publication of JPH0177979UpublicationCriticalpatent/JPH0177979U/ja
Priority to US08/129,298prioritypatent/US5515607A/en
Priority to SG41594Aprioritypatent/SG41594G/en
Application grantedgrantedCritical
Publication of JPH0616326Y2publicationCriticalpatent/JPH0616326Y2/ja