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.)
Dawson International PLC
Original Assignee
Dawson International PLC
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 Dawson International PLCfiledCriticalDawson International PLC
Publication of JPS5143492ApublicationCriticalpatent/JPS5143492A/ja
Publication of JPS546672B2publicationCriticalpatent/JPS546672B2/ja