Steel pipes and tubes.

Alarm clocks; anchors (clock and watch-making); atomic clocks; barrels (clock- and watchmaking); cabinets for clocks; cases (fitted) for clocks; cases for clock and watchmaking; cases of precious metals for clocks; clock cases; clock hands (clock- and watchmaking); clock movements; clocks; clocks and watches, electric; clocks for world time zones; clocks having quartz movements; clocks incorporating ceramics; clocks incorporating radios; clockwork movements; clockworks; control clocks (master clocks); desk clocks; dials (clock- and watchmaking); dials for clocks; digital clocks; digital clocks incorporating radios; digital clocks with automatic timers; electric alarm clocks; electrically operated movements for clocks; electronic alarm clocks; electronically operated movements for clocks; faces for clocks; hands for clocks; industrial clocks; mantle clocks; master clocks; miniature clocks; movements for clocks and watches; pendulums (clock- and watchmaking); quartz clocks; stands for clocks; table clocks; time clocks (master clocks) for controlling other clocks; timing clocks; travel clocks; wall clocks (horological)