Occupational safety standards system. Personal protective equipment against falls from a height. Guided type fall arresters including an anchor line. Part 1. Guided type fall arresters including a rigid anchor line. General technical requirements. Test methods
State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 1. Theory
Industrial automation systems and integration. Product data representation and exchange. Part 1641. Application module. Assembly module with subassembly