Nanotechnologies. Clay nanomaterials. Part 2. Nanomaterials containing nanoplates for the production of gas-tight films. Characteristics and measurement methods
Agricultural and forestry tractors. Roll-over protective structures on narrow-track wheeled tractors. Part 2. Rear-mounted roll-over protective structures. Technical requirements and test methods
Medical electrical equipment. Part 2-2. Particular requirements for the basic safety and essential performance of high frequency surgical equipment and high frequency surgical accessories