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.)
JFE Steel Corp
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
Kawasaki Steel 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 of AU482583B2publicationCriticalpatent/AU482583B2/en
Priority claimed from JP7668873Aexternal-prioritypatent/JPS5239559B2/ja
Priority claimed from JP12355573Aexternal-prioritypatent/JPS5339680B2/ja
Priority claimed from JP12355673Aexternal-prioritypatent/JPS5073391A/ja
Priority claimed from JP12355473Aexternal-prioritypatent/JPS5073389A/ja
Priority claimed from JP1640474Aexternal-prioritypatent/JPS50111784A/ja
Priority claimed from JP1707974Uexternal-prioritypatent/JPS50106887U/ja
Priority claimed from JP1974018414Uexternal-prioritypatent/JPS5352790Y2/ja