
Photographic materials. Determination of mean gradient of medical X-ray and fluorographical films
STANDARD published on 1.4.1987
Designation standards: STN 666621
Classification mark: 666621
Catalog number: 67078
Note: WITHDRAWN
Publication date standards: 1.4.1987
Approximate weight : 12 g (0.03 lbs)
Country: Slovak technical standard
Category: Technical standards STN