… 1. Crossed roller chains for linear movements, consisting of a series of cylindrical … at an angle of 90° to each other, held in a pressed steel retainer. Adoption : 1962 …
… of ammonium nitrate mixed with small amounts of calcium magnesium carbonate (having the function of a stabiliser and an anti-caking agent), magnesium nitrate (stabiliser) and water, presented in 50 kg …
… or not comprising a core of multiple yarn, of circular nearly solid cross-section (approx. 1 mm in diameter), … fibres lightly impregnated with paraffin wax, for use as harness cords on dobby looms. Adoption : 1964 …
… 1. Handheld machine , operated by a small electric motor, used for prewashing clothes to remove stains. The machine subjects the stains to a combination of water and …
