NEN 21681
Automatic data processing - Specifications for unpunched paper cards
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 1975 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Paper cards and tapes): | 35.220.10 |
scope:
This International Standard specifies the characteristics of general purpose unpunched paper cards to be used for information interchange between different punched card equipments.
Document History
NEN 21681
February 1, 1975
Automatic data processing - Specifications for unpunched paper cards
This International Standard specifies the characteristics of general purpose unpunched paper cards to be used for information interchange between different punched card equipments.