CA1258520CCA 567713CA567713ACA1258520CCA 1258520 CCA1258520 CCA 1258520CCA 567713 CA567713 CA 567713CA 567713 ACA567713 ACA 567713ACA 1258520 CCA1258520 CCA 1258520C
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CA
Canada
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Priority claimed from JP58210353Aexternal-prioritypatent/JPS60103748A/ja
Application filedfiledCritical
Priority to CA000567713ApriorityCriticalpatent/CA1258520A/en
Application grantedgrantedCritical
Publication of CA1258520CpublicationCriticalpatent/CA1258520C/xx
Publication of CA1258520ApublicationCriticalpatent/CA1258520A/en