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.)
DAISAN SEIKOU KK
KIKAI SYST SHINKO KYOKAI
Hitachi Ltd
Original Assignee
DAISAN SEIKOU KK
KIKAI SYST SHINKO KYOKAI
Hitachi 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 DAISAN SEIKOU KK, KIKAI SYST SHINKO KYOKAI, Hitachi LtdfiledCriticalDAISAN SEIKOU KK
Priority to JP14338679ApriorityCriticalpatent/JPS5668564A/ja
Publication of JPS5668564ApublicationCriticalpatent/JPS5668564A/ja