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 Netsu Kigu KK
Original Assignee
Hitachi Netsu Kigu 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 Hitachi Netsu Kigu KKfiledCriticalHitachi Netsu Kigu KK
Priority to JP12108875ApriorityCriticalpatent/JPS5247934A/ja
Publication of JPS5247934ApublicationCriticalpatent/JPS5247934A/ja
Publication of JPS5650530B2publicationCriticalpatent/JPS5650530B2/ja