GB/T 8987-1988

Micrographics—Test target of optical density measurement for microfilming negative

NORM herausgegeben am 11.4.1988

The information about the standard:

Designation standards: GB/T 8987-1988
Note: UNGÜLTIG
Publication date standards: 11.4.1988
Country: Chinese technical standard
Kategorie: Technische Normen GB