73200159
Jan 15, 1979
Dec 16, 1980
Engineers' Extension Tripods, Camera Tripods with Multi-Section Extendable Legs, Three-Way Pan Heads, Collapsible and Adjustable Dollies for Tripods, Multi-Section Extendable Unipods, Background Supports, Tristrut Multi-Section Height-Adjustable Light Stands, Stand and Lamp Arm Units for Photographic Copying, Height-Adjustable Speaker Stands and Movie and Slide Projector Stands
Electrical and Scientific Apparatus