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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Application filedfiledCritical
Priority to ES1978237751UpriorityCriticalpatent/ES237751Y/en
Publication of ES237751UpublicationCriticalpatent/ES237751U/en
Application grantedgrantedCritical
Publication of ES237751YpublicationCriticalpatent/ES237751Y/en
Priority to DE2932389Aprioritypatent/DE2932389C2/en
ES1978237751U1978-08-111978-08-11
PERFECTED ARRANGEMENT IN PHOTOELECTRIC UNITS, FOR THE MEASUREMENT OF RELATIVE POSITIONS BETWEEN OBJECTS
ExpiredES237751Y
(en)