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.)
ARAI UNYU KK
KAMAISHI KAIRIKU UNSOU KK
SAN KOUUN KK
Nippon Steel Corp
Original Assignee
ARAI UNYU KK
KAMAISHI KAIRIKU UNSOU KK
SAN KOUUN KK
Nippon Steel 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 ARAI UNYU KK, KAMAISHI KAIRIKU UNSOU KK, SAN KOUUN KK, Nippon Steel CorpfiledCriticalARAI UNYU KK
Priority to JP15925876ApriorityCriticalpatent/JPS5385071A/ja
Publication of JPS5385071ApublicationCriticalpatent/JPS5385071A/ja
Publication of JPS5734176B2publicationCriticalpatent/JPS5734176B2/ja