History

Time	Change
2020-10-10 06:46:28+00:00	Created
2020-10-10 06:46:28+00:00	Associated with GB 5199
2020-10-10 06:46:46+00:00	Associated with GB/T 5199
2020-10-10 06:46:46+00:00	Associated with GB 5199-2010
2020-10-10 06:46:46+00:00	Associated with GB/T 5199-2010
2020-10-11 05:20:29+00:00	Associated with GB 5199.1-85
2020-10-11 05:20:40+00:00	Associated with GB 5199-1.1985
2020-10-11 05:23:37+00:00	Associated with GB 5199.1
2020-10-11 05:25:10+00:00	Associated with GB 5199.2-85
2020-10-11 05:25:10+00:00	Associated with GB 5199.2
2020-10-11 05:25:10+00:00	Associated with GB 5199.2-1985
2020-10-11 05:30:09+00:00	Associated with GB 5199-2001