Laminar flow electrostatic precipitator having a moving electrod
Latent image photographic system
Lift-off method of fabricating thin films and a structure utiliz
Light sensitive mass and process for its production
Light sensitive printing plate comprising a matted overlayer
Light-sensitive copying material and method for the production o
Light-sensitive silver halide photographic materials
Liquid developer for binary diazo copying materials
Lithographic developer replenishment process
Lithographic plate ink receptivity improving composition and met
Lithographic printing plate comprising hydrophilic layer of poly