High pressure electric discharge lamp containing metal halides
High pressure mercury vapor discharge lamp
High pressure mercury vapor discharge lamp
High pressure mercury vapor discharge lamp containing bismuth io
High pressure mercury vapor discharge lamp having improved elect
High pressure metal vapor discharge lamp and seal structure ther
High pressure metal vapor discharge lamps of improved efficacy
High pressure sodium vapor lamp having improved monolithic alumi
High pressure sodium vapor lamp having low starting voltage
High pressure sodium vapor lamp of unsaturated vapor pressure ty
High pressure sodium vapor lamp stabilized for pulse operation
High pressure tin halide discharge lamp
High thermal efficiency dispenser-cathode and method of manufact
High-current, low pressure, mercury discharge lamp with pressure
High-efficiency discharge lamp which incorporates a small molar
High-intensity-discharge lamp of the mercury-metal halide type w
High-pressure discharge lamp
High-pressure discharge lamp and light sources device using...
High-pressure discharge lamp having a metal lead through conduct
High-pressure discharge lamp with ceramic discharge vessel and c