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Priority claimed from US07/517,086external-prioritypatent/US5155201A/en
Priority claimed from US07/640,655external-prioritypatent/US5130405A/en
Application filed by Akzo NvfiledCriticalAkzo Nv
Application grantedgrantedCritical
Publication of ATE105307T1publicationCriticalpatent/ATE105307T1/en