KS G ISO 8442-7-2020 Materials and articles in contact with foodstuffs —Cutlery and table holloware — Part 7: Requirements for table cutlery made of silver, other precious metals and their alloys
2020KS G ISO 8442-7:2020 Materials and articles in contact with foodstuffs —Cutlery and table holloware — Part 7: Requirements for table cutlery made of silver, other precious metals and their alloys
2010KS G ISO 8442-7:2010 Materials and articles in contact with foodstuffs-Cutlery and table holloware-Part 7:Requirements for table cutlery made of silver, other precious metals and their alloys