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.)
HOKURIKU ZOSEN SEISAKUSHO KK
Nippon Carbide Industries Co Inc
Original Assignee
HOKURIKU ZOSEN SEISAKUSHO KK
Nippon Carbide Industries Co Inc
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 HOKURIKU ZOSEN SEISAKUSHO KK, Nippon Carbide Industries Co IncfiledCriticalHOKURIKU ZOSEN SEISAKUSHO KK
Priority to JP6122477ApriorityCriticalpatent/JPS53146768A/en
Publication of JPS53146768ApublicationCriticalpatent/JPS53146768A/en