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.)
AZUMA SEIKOSHO KK
AZUMA STEEL
Original Assignee
AZUMA SEIKOSHO KK
AZUMA STEEL
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 AZUMA SEIKOSHO KK, AZUMA STEELfiledCriticalAZUMA SEIKOSHO KK
Priority to JP14438374ApriorityCriticalpatent/JPS5171579A/en
Publication of JPS5171579ApublicationCriticalpatent/JPS5171579A/en
Publication of JPS5315231B2publicationCriticalpatent/JPS5315231B2/ja