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.)
Ito Tekkosho Co Ltd
Original Assignee
Ito Tekkosho Co 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 Ito Tekkosho Co LtdfiledCriticalIto Tekkosho Co Ltd
Priority to JP50087656ApriorityCriticalpatent/JPS5211475A/ja
Publication of JPS5211475ApublicationCriticalpatent/JPS5211475A/ja
Publication of JPS5242946B2publicationCriticalpatent/JPS5242946B2/ja