GOST 23504-1979 Facsimile information, applied to the acoustic frequency channels. Energetical parameters and measurement methods
GOST 26348-1984 Facsimile apparatus with redundancy reduction means for facsimile document information transmission and reception. Basic parameters*, 1984-04-19 Update
GOST 26631-1985 Facsimile apparatus with redundancy reduction means for photofacsimile information transmission and reception. Basic parameters*, 1985-04-19 Update
GOST 28264-1989 Test documents FS1, FS2, FS3 for facsimile apparatus. Specifications*, 1989-04-19 Update
GOST 28265-1989 Test documents MK1, MK2, MK3 for facsimile apparatus. Specifications*, 1989-04-19 Update
GOST 25872-1983 history
1983GOST 25872-1983 Facsimile apparatus with redundancy reduction means for weater map transmission and reception. Basic parameters