Improvements in or connected with Portable Structures, particularly applicable for Use at Election Polling Stations.
Номер патента: GB189419857A
Опубликовано: 10-08-1895
Автор(ы): Charles Richard Lapthorne
Принадлежит: Individual
Опубликовано: 10-08-1895
Автор(ы): Charles Richard Lapthorne
Принадлежит: Individual
Improvements in and relating to the manufacture of light building slabs and of filling material or aggregates adapted for use in their production
Номер патента: GB444692A. Автор: . Владелец: BRUNO EUGEN GROSSMANN. Дата публикации: 1936-03-25.