High-pressure discharge lamp with low power input
High-pressure discharge lamp with precision end seal structure
High-pressure discharge lamp, especially sodium vapor lamp
High-pressure discharge lamp, having a seal comprising a...
High-pressure discharge lamp, having a seal comprising a...
High-pressure discharge lamp, high-pressure discharge lamp...
High-pressure discharge lamp, particularly double-ended high-pow
High-pressure electric discharge lamp with electrode support
High-pressure electric discharge lamp with tight lead-through pi
High-pressure gas discharge lamp
High-pressure gas discharge lamp having electrode rods with...
High-pressure sodium lamp
High-pressure sodium lamp spring clip cross piece for electrode
High-pressure, high-power discharge lamp, and method of its manu
High-voltage discharge lamp with cylindrical member to...