Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sato Kenkyusho KK
Original Assignee
Sato Kenkyusho KK
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Application filed by Sato Kenkyusho KKfiledCriticalSato Kenkyusho KK
Priority to CA250,242ApriorityCriticalpatent/CA1061308A/fr
Application grantedgrantedCritical
Publication of CA1061308ApublicationCriticalpatent/CA1061308A/fr