Improvements in or connected with Electrical Signalling Apparatus for Tramways and Railways
Номер патента: GB190402288A
Опубликовано: 26-01-1905
Автор(ы): Arthur Grotjan Marshall, Reginald Page Wilson
Принадлежит: Individual
Опубликовано: 26-01-1905
Автор(ы): Arthur Grotjan Marshall, Reginald Page Wilson
Принадлежит: Individual
Improvements in or relating to an arrangement for producing electric signals controlling the typing of typewriter signs defined by coordinates
Номер патента: GB964109A. Автор: . Владелец: Paillard SA. Дата публикации: 1964-07-15.