GB/T 7516-1996

GB/Z 42215-2022 Document management—Environmental and work place safety regulations affecting microfilm processors GB/Z 44646-2024 Document management—Digital preservation—Analog recording to silver-gelatin microform GB/T 8988-1988 Micrographics--Manufacture of test target for inspecting the quality of micrography of technical drawings GB/T 8987-1988 Micrographics--Testtarget of optical density measurement for microfilming negative GB/T 8990-1988 Micrographics--Reflectance test target used in the test target for inspecting the quality of micrography of technical drawing GB/T 12356-1990 Micrographics--Test object character and instruction for 16mm microfilm recorder GB/T 6161-1994 Micrographics--Test chart No.2--Description and use in microfilming GB/T 15737-1995 Micrographics Silver-gelatin type microfilms--Processing and storage