History

Time	Change
2017-05-15 13:43:03+00:00	Created
2017-05-15 13:43:03+00:00	Associated with ANSI X3.51-1975
2017-05-15 13:45:08+00:00	Associated with ANSI standard X3.51-1975
2017-05-15 13:45:08+00:00	Associated with ANSI standard X3.51
2017-05-15 13:45:08+00:00	Associated with ANSI X3.51
2017-05-15 14:01:40+00:00	Associated with ANSI X3.51:1994
2017-05-15 14:05:30+00:00	Associated with ANSI X3.51-1986