BR7908780ABR7908780ABR7908780ABR7908780ABR 7908780 ABR7908780 ABR 7908780ABR 7908780 ABR7908780 ABR 7908780ABR 7908780 ABR7908780 ABR 7908780ABR 7908780 ABR7908780 ABR 7908780A
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Priority claimed from US05/936,117external-prioritypatent/US4203570A/en
Application filed by Western States Machine CofiledCriticalWestern States Machine Co
Publication of BR7908780ApublicationCriticalpatent/BR7908780A/en