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Priority claimed from JP57066118Aexternal-prioritypatent/JPS58181431A/ja
Priority claimed from JP58047526Aexternal-prioritypatent/JPS59174230A/ja
Application filed by Kazuhiko Nakamura, Takeo Nakagawa, Amino Iron WorksfiledCriticalKazuhiko Nakamura
Priority claimed from EP19830103876external-prioritypatent/EP0092253B1/de
Application grantedgrantedCritical
Publication of ATE28808T1publicationCriticalpatent/ATE28808T1/de