General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 13984-2005
Scope
This standard specifies the technical specification for the diffuse transmission visual density of the second-generation silver-gelatin and diazo film microforms and the technical specification for the projection density of the second-generation microfoam film microforms, and specifies the density measurement method. This standard does not apply to microcopies of technical drawings and other technical documents.
GB/T 13984-2005 history
2005GB/T 13984-2005 Micrographics.Duplicating film,silver,diazo and vesicular.Visual density.Specifications and measurement
1992GB/T 13984-1992 Diazo and Microfoam Film Visual Density Specifications