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.)
DAIICHI CEMENT CO Ltd
DAIICHI CEMENT KK
Original Assignee
DAIICHI CEMENT CO Ltd
DAIICHI CEMENT KK
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 DAIICHI CEMENT CO Ltd, DAIICHI CEMENT KKfiledCriticalDAIICHI CEMENT CO Ltd
Priority to JP7558680ApriorityCriticalpatent/JPS571425A/ja
Publication of JPS571425ApublicationCriticalpatent/JPS571425A/ja