A layout with three rows of three keys each and a fourth row with at least one key.
Cross References:
BS 5448
BS 5478:Part 1
BS 5959
CCITT Recommendation E.161
Product Details
- Published:
- 01/31/1990
- ISBN(s):
- 058018112X
- Number of Pages:
- 4
- File Size:
- 1 file , 290 KB
- Product Code(s):
- 00207173, 00207173, 00207173
