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.)
NISHIKI KOGYO KK
PUROTO PURAININGU KK
Original Assignee
NISHIKI KOGYO KK
PUROTO PURAININGU 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 NISHIKI KOGYO KK, PUROTO PURAININGU KKfiledCriticalNISHIKI KOGYO KK
Priority to JP14641874ApriorityCriticalpatent/JPS5171800A/en
Publication of JPS5171800ApublicationCriticalpatent/JPS5171800A/en
Publication of JPS5422400B2publicationCriticalpatent/JPS5422400B2/ja