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 DOURO KOUDAN
Suzuki Metal Industry Co Ltd
Original Assignee
NIPPON DOURO KOUDAN
Suzuki Metal Industry 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 NIPPON DOURO KOUDAN, Suzuki Metal Industry Co LtdfiledCriticalNIPPON DOURO KOUDAN
Priority to JP54139356ApriorityCriticalpatent/JPS585429B2/en
Publication of JPS5664382ApublicationCriticalpatent/JPS5664382A/en
Publication of JPS585429B2publicationCriticalpatent/JPS585429B2/en