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.)
Mitsui Coke Co Ltd
Toyo Engineering Corp
Original Assignee
Mitsui Coke Co Ltd
Toyo Engineering 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 Mitsui Coke Co Ltd, Toyo Engineering CorpfiledCriticalMitsui Coke Co Ltd
Priority to JP9301181ApriorityCriticalpatent/JPS57207687A/ja
Priority to CA000404821Aprioritypatent/CA1184140A/en
Priority to DD24079782Aprioritypatent/DD207923A5/de
Priority to MX19323382Aprioritypatent/MX163317A/es
Publication of JPS57207687ApublicationCriticalpatent/JPS57207687A/ja
Publication of JPS6259750B2publicationCriticalpatent/JPS6259750B2/ja