7 Parts for machine tools and power-operated tools, namely, stop pieces, fork-like pieces, pressure pieces, pressure journals, centering and fixing pieces, and operating pieces, namely, handles, levers, cranks, wheels, knobs, pins, bars, handcranks, nuts, ratchets, clamping joints, handlebars and clamps; parts for machine tools and for power-operated tools, in particular clamping irons, clamping lugs, clamping flaps and clamping supports, and mechanical and manually adjustable arresting devices and apparatus; pipe clamps being parts of machines and component parts therefor; machines parts, namely, airbag plates, base plates, suspended support elements, stop and support pieces; machine parts, namely, arresting elements, receiving bolts, pins, positioning elements for grooves, stops; machine parts, namely, clamping hooks, eccentric clamping levers, eccentric clamping units, draw-down clamps, wedge type clamping segments, compensating clamps, mechanical and hydraulic clamping units, all the aforesaid goods also being in modular form; machine parts, namely, articulated lever and quick-fit clamps; machine parts, namely, permanent magnets being magnetos, grips for flat and rod type materials, loadlifting means, pot and stud type magnets being magnetos; machine parts, namely, carriage guides, guide rails; machine parts, namely, shaft connections in the form of compensating couplings, couplings, conical clamping rings, universal and ball-and-socket joints; machine parts, namely, angular joints, articulation heads, height adjustment elements, positioning rings, drilling devices being drilling clamps; hydraulic elements, namely, hydraulic brake filters, hydraulic steering filters, hydraulic filters for travel mechanisms, hydraulic motors, hydraulic control units for machines and motors, hydraulic door openers and closers being parts of machines; mechanical, pneumatic, hydraulic control devices for industrial robots; springs being parts of machines