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.)
RIYOUTOU KK
Mitsubishi Kasei Corp
Original Assignee
RIYOUTOU KK
Mitsubishi Kasei Corp
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 RIYOUTOU KK, Mitsubishi Kasei CorpfiledCriticalRIYOUTOU KK
Priority to JP5187577ApriorityCriticalpatent/JPS53136551A/en
Publication of JPS53136551ApublicationCriticalpatent/JPS53136551A/en