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.)
KOKEN SEKKEI KENKYUSHO KK
KOKEN SETSUKEI KENKYUSHO KK
Original Assignee
KOKEN SEKKEI KENKYUSHO KK
KOKEN SETSUKEI KENKYUSHO KK
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 KOKEN SEKKEI KENKYUSHO KK, KOKEN SETSUKEI KENKYUSHO KKfiledCriticalKOKEN SEKKEI KENKYUSHO KK
Priority to JP2683175ApriorityCriticalpatent/JPS51101321A/ja
Publication of JPS51101321ApublicationCriticalpatent/JPS51101321A/ja
Publication of JPS5750223B2publicationCriticalpatent/JPS5750223B2/ja