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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas 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 Osaka Gas Co LtdfiledCriticalOsaka Gas Co Ltd
Priority to JP3471975ApriorityCriticalpatent/JPS5642330B2/ja
Publication of JPS51108690ApublicationCriticalpatent/JPS51108690A/ja
Publication of JPS5642330B2publicationCriticalpatent/JPS5642330B2/ja