标准号:IS 991-1964
发布日期:1964/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard covers the requirements for the following types of spoons made of brass or nickel silver:a) Serving spoon, large; e) Coffee spoon;b) Serving spoon; f) Soup spoon;c) Dessert spoon; g) Mustard spoon; andd) Tea spoon; h) Salt spoon.