Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07/523,238external-prioritypatent/US5130252A/en
Application filed by Sod Conseils Rech ApplicfiledCriticalSod Conseils Rech Applic
Priority to SG125793ApriorityCriticalpatent/SG125793G/en
Publication of SG125793GpublicationCriticalpatent/SG125793G/en