History

Time	Change
2020-10-10 07:06:44+00:00	Created
2020-10-10 07:06:44+00:00	Associated with GB/T 16683-1996
2020-10-10 07:06:55+00:00	Associated with GB/T 16683
2020-10-10 07:06:55+00:00	Associated with GB 16683