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Priority claimed from US07/366,158external-prioritypatent/US5037286A/en
Application filed by Rolite IncfiledCriticalRolite Inc
Priority claimed from PCT/US1989/002685external-prioritypatent/WO1989012498A1/en
Application grantedgrantedCritical
Publication of ATE87501T1publicationCriticalpatent/ATE87501T1/en