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Proptic
PROPTIC SA
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Proptic
PROPTIC SA
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Application filed by Proptic, PROPTIC SAfiledCriticalProptic
Priority to ES1974201746UpriorityCriticalpatent/ES201746Y/en
Publication of ES201746UpublicationCriticalpatent/ES201746U/en
Application grantedgrantedCritical
Publication of ES201746YpublicationCriticalpatent/ES201746Y/en
Diameter measuring device for lenses, characterized in that it is constituted by a flat strip, of reduced thickness, which at one end has a projection on a side edge and, along. The same, a millimeter scale, being applicable in lens templates in order to determine the precise minimum diameter of the lens to be chosen in each case for its tilling according to the perimeter of the same template, in which said projection has a width equivalent to that of a circular hole in that template, in correspondence with the optical center of the lens; so that by placing said projection of the strip in said hole of the template, the diameter of the lens is observed in the millimeter scale by the most distant point of the template with respect to its center. (Machine-translation by Google Translate, not legally binding)
ES1974201746U1974-03-261974-03-26
DIAMETER MEASURING DEVICE FOR LENSES.
ExpiredES201746Y
(en)