NF A91-095-3*NF EN ISO 4524-3:2021 Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 3 : electrographic tests for porosity
2021NF A91-095-3*NF EN ISO 4524-3:2021 Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 3 : electrographic tests for porosity