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.)
Nippon Soda Co Ltd
Yokogawa Electric Corp
Nisso Engineering KK
Original Assignee
Nippon Soda Co Ltd
Nisso Engineering KK
Yokogawa Electric Works 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 Nippon Soda Co Ltd, Nisso Engineering KK, Yokogawa Electric Works LtdfiledCriticalNippon Soda Co Ltd
Priority to JP2473075ApriorityCriticalpatent/JPS553433B2/ja
Publication of JPS5199676ApublicationCriticalpatent/JPS5199676A/ja
Publication of JPS553433B2publicationCriticalpatent/JPS553433B2/ja