标准号:IS 1784-1984
发布日期:1985/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes the requirements and methods of test for steel and zinc alloy screwed closures used on drums of nominal capacity 200 litres with fixed ends ( see IS : 1783-1983* ).1.1.1 Two nominal sizes of 50 mm and 20 mm closures have been covered in this standard.