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.)
Hitachi Ltd
Hitachi Elevator Engineering Co
Hitachi Elevator Service Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Elevator Engineering Co
Hitachi Elevator Service 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 Hitachi Ltd, Hitachi Elevator Engineering Co, Hitachi Elevator Service Co LtdfiledCriticalHitachi Ltd
Priority to JP3860784ApriorityCriticalpatent/JPS60183481A/ja
Publication of JPS60183481ApublicationCriticalpatent/JPS60183481A/ja
Publication of JPH0229590B2publicationCriticalpatent/JPH0229590B2/ja