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.)
Taiheiyo Cement Corp
Original Assignee
Chichibu Cement 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 Chichibu Cement Co LtdfiledCriticalChichibu Cement Co Ltd
Priority to JP7522375ApriorityCriticalpatent/JPS51151715A/ja
Publication of JPS51151715ApublicationCriticalpatent/JPS51151715A/ja
Publication of JPS5242171B2publicationCriticalpatent/JPS5242171B2/ja