NF G92-005-1989
书包.试验方法.布背带、背带等的断裂力或自书包上扯脱力的测定
Schoolbags. Test methods. Determination of the force required to break shoulder straps, braces, etc. or to tear-off their fastening from the body of manufactured items.
哪些标准引用了NF G92-005-1989
找不到引用NF G92-005-1989 书包.试验方法.布背带、背带等的断裂力或自书包上扯脱力的测定 的标准
