… 1. Ferrite flex (or cord) in the length (outer diameter : 2 mm), put up in rolls and consisting of a tube of ferrite powder (22 % by weight) bound with PVC (64 %) and a core of jute yarn (14 %); used …
… 3 cm thick, consisting of a plaster panel with a perforated outer surface and two rectangular hollows filled with strips … foil, for covering walls and ceilings and providing sound and heat insulation. Adoption : 1965 …
… 1. Knitted sleeveless garment without a collar (65 % polyester staple fibres and 35 % … ribbon at the neckline and ruffled armholes at the shoulders. It has a partial opening at the back starting at …
… a mixture of white Portland cement (70 to 95 % by weight), colouring matter, a setting accelerator, a water-repellent … and washed chalk), and used, after mixing with water, as an outdoor or indoor paint for brickwork, concrete, etc. …
… of wooden strips planed on two sides and arranged in groups in chess-board pattern, and provisionally glued on a … : 1962 A General appearance B Section of a panel fanned out for demonstration C Strips D Paper E Strips F Paper …
… essentially of ethyl alcohol and water mixed with small amounts of anionic surface-active agent, methyl ethyl ketone, colouring matter and, depending upon the formulation, …
