This standard applies to reading and reading-copiers for reading microforms that comply with GOST 13.0.003-86, GO
GOST 13.1.501-1974 history
1990GOST 13.1.511-1990 Reprography. Micrography. Readers and reader-priners. Methods for measuring the screen luminance and contrast of image projected onto the screen
1974GOST 13.1.501-1974 Reprography. Micrography. Readers and reader-printers. Types