EN 2484:1989

National foreword
Brief history
0 Introduction
1 Scope and field of application
2 References
3 Requirements
4 Control and identification characteristics
5 Designation
6 Location of microimage
7 Punching of data
National appendix A
National appendix B
Cooperating organizations

This standard specifies the aperture card for 35 mm microfilm and the column allocation and data entry of the control and identification characteristics for areospace using card code A (see clause 4).