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
Priority claimed from JP15689885Aexternal-prioritypatent/JPS6220828A/ja
Priority claimed from JP19260585Aexternal-prioritypatent/JPS6254032A/ja
Priority claimed from JP19261285Aexternal-prioritypatent/JPS6254034A/ja
Priority claimed from JP19261385Aexternal-prioritypatent/JPS6254035A/ja
Priority claimed from JP19260885Aexternal-prioritypatent/JPS6254069A/ja
Priority claimed from JP19260485Aexternal-prioritypatent/JPS6254031A/ja
Priority claimed from JP19260385Aexternal-prioritypatent/JPS6254030A/ja
Priority claimed from JP19260185Aexternal-prioritypatent/JPS6254028A/ja
Priority claimed from JP19261185Aexternal-prioritypatent/JPS6254033A/ja
Application filed by Nippon Kokan KkfiledCriticalNippon Kokan Kk
Priority claimed from PCT/JP1986/000352external-prioritypatent/WO1987000555A1/ja
Publication of ATE61416T1publicationCriticalpatent/ATE61416T1/de