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.)
Resonac Gas Products Corp
Original Assignee
Showa Tansan 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 Showa Tansan Co LtdfiledCriticalShowa Tansan Co Ltd
Priority to JP6232080ApriorityCriticalpatent/JPS56160515A/en
Publication of JPS56160515ApublicationCriticalpatent/JPS56160515A/en