High pressure discharge lamp with discharge vessel centered with
High pressure discharge lamp with improved arc tube retention st
High pressure metal vapor lamp with outer protective envelope an
High pressure metallic vapor discharge lamp
High pressure sodium arc discharge lamp with weldless arc tube s
High pressure sodium discharge lamp having gas filled outer enve
High pressure sodium discharge reflector lamp
High pressure sodium discharge tube support structure
High pressure sodium lamp having improved coloring rendition
High-power radiator
High-power radiator
High-power radiator
High-power radiator
High-power radiator with local field distortion for reliable ign
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp and holder structure for an arc dis
High-pressure discharge lamp having a thermal insulating member