标准号:IS 12464-1988
发布日期:1989/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.Covers the methods of tests for roof bars (both link bars and uncoupled bars ) used in mines.1.1 Tests in addition to those given in this standard may be carried out as agreed to between the manufacturer and the purchaser, or as required by the statutory authority.