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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanwa Seiki Ltd
Original Assignee
Sanwa Seiki Ltd
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 filed by Sanwa Seiki LtdfiledCriticalSanwa Seiki Ltd
Priority to JP18910580ApriorityCriticalpatent/JPS57111604A/ja
Priority to GB8138216Aprioritypatent/GB2091454B/en
Priority to US06/332,010prioritypatent/US4535402A/en
Publication of JPS57111604ApublicationCriticalpatent/JPS57111604A/ja
Publication of JPH0320764B2publicationCriticalpatent/JPH0320764B2/ja