Improvements in or connected with the Ventilation of Factories or other Buildings
Номер патента: GB190402973A
Опубликовано: 01-12-1904
Автор(ы): Peter Smith Swan
Принадлежит: Individual
Опубликовано: 01-12-1904
Автор(ы): Peter Smith Swan
Принадлежит: Individual
Improvements in or relating to means for the reduction of resistance to the motion of a ship or other vessel through water
Номер патента: GB237817A. Автор: . Владелец: Individual. Дата публикации: 1925-08-06.