2013CB/T 3290-2013 Liquid penentrant inspection for copper alloy propeller of civil ship
1985CB 3290-1985 Coloring flaw detection method and rating of copper alloy propellers for civil ships
CB 3290-1985 Coloring flaw detection method and rating of copper alloy propellers for civil ships was changed to CB/T 3290-2013 Liquid penentrant inspection for copper alloy propeller of civil ship.