Calculating machines, classification of machines
€24.39
Calculating machines, terms
€69.91
Calculating machines - Wordings of machine components
€16.45
Bell - Typewriters
Typewriters; classification of machines
Typwriters - Terms
€41.78
Characteristic noise emission values of technical sound sources; office machines; mail processing (preparation) machines
€28.15
Characteristic noise emission values of technical sound sources; office machines, duplicating machines and copiers
Characteristic noise emission values of technical sound sources; office machines, typewriters
Characteristic noise emission values of technical sound sources; computer and business equipment; basic directions
€51.99
Office communication; selection of office technology for office communication
€134.70
Office communication; technology assessment
€112.85
