Technical requirements and verification for watches and watch movements; watches with pallet lever escapement
€24.39
Technical requirements and verification for watches and watch movements; watches with electrical energy source, frequency of oscillating system 1000 Hz
Technical requirements and verification for watches and watch movements; watches with pin lever escapement
Technical requirements and verification for clocks and clock movements with electrical energy source; frequency of oscillating system 1000 Hz
Balance staffs for watches and clocks; single balance staffs
Technical requirements and verification for clocks and clockmovements with electrical energy source; frequency of resonator 1000 Hz, terms of delivery for clock movements
Hands for watches; nominal dimensions
Hands for watches; upper and lower deviations for holes and shafts
Collets for Watches and Clocks, Slotted, Round
Hands for watches; combinations of holes for sets of hands
Balance staffs for clocks; pointed staffs
Chronometer; wrist chronometer with piezo-electric oscillating system, designation, requirements, testing
Timer, clocks having switching mechanism, short-time signalling devices for household electric ranges; characteristics of performance, tests
Timer, clocks having switching mechanism, short-time signalling devices for household electric ranges; characteristics of performance, requirements
Timer, clocks having switching mechanism, short-time signalling devices for household electric ranges; characteristics of performance, definitions
