DIN 19051-20:1991-03

Test patterns for micrography; test exposures made to establish the conditions for microfilming of drawings.

STANDARD published on 1.3.1991

The information about the standard:

Designation standards: DIN 19051-20:1991-03
Publication date standards: 1.3.1991
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN