Improvements in or relating to Engines for Pumping Up Beer or other Liquids.
Номер патента: GB189519048A
Опубликовано: 16-11-1895
Автор(ы): Francis Henry Mathews
Принадлежит: Individual
Опубликовано: 16-11-1895
Автор(ы): Francis Henry Mathews
Принадлежит: Individual
Improvements relating to mechanical systems having pronounced natural frequency and producing movement in a circle or other closed curve
Номер патента: GB240505A. Автор: . Владелец: Individual. Дата публикации: 1925-09-28.