Test charts for micrography - Part 3: Test table for microfilming with planetary camera of technical drawings; Supplement 1: Neutral density cards for practical use— 4 стр.
Tests for Reprographic Use; DIN-test Assembly (Test Table) for Testing the Microfilming of Technical Drawings; Neutral Density Cards for Use in Practice— 1 стр.
Test charts for micrography - Part 3: Test table for microfilming with planetary camera of technical drawings; Supplement 1: Neutral density cards for practical use
