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Priority to JP3487485UpriorityCriticalpatent/JPH0231896Y2/ja
Priority to GB08605395Aprioritypatent/GB2172444B/en
Priority to DE19863607552prioritypatent/DE3607552A1/de
Priority to FR8603262Aprioritypatent/FR2578696B1/fr
Publication of JPS61153468UpublicationCriticalpatent/JPS61153468U/ja
Priority to US07/105,986prioritypatent/US4818911A/en
Application grantedgrantedCritical
Publication of JPH0231896Y2publicationCriticalpatent/JPH0231896Y2/ja