Test charts for micrography; DIN-test sheet (size A4) for practical use
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Test charts for micrography - Part 4: Test chart B for optical density and for determination of scale of reproduction; Supplement 2: Test sheet (size A4) for practical use
Document status: Active
Test charts for micrography - Part 4: Test chart B for optical density and for determination of scale of reproduction
Document status: Active
Microfilming of engineering drawings on microfilm 35 mm; technical proceeding, dimensions
Document status: Active
Microfilming of engineering drawings on microfilm 35 mm; technical proceeding of recording
Document status: Active
Microfilm technics, microfilming of engineering drawings; reduction ratios for recording on film 35 mm and reenlargement ratio
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Microfilming of engineering drawings; division system of drawings for recording on film 35 mm
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Microfilm technique, microfilming of engineering drawings; re-englargement ratios from recordings on film 35 mm minimum requirements
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Microfilming of newspapers; technical proceeding of recording on film 35 mm
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