Method and device for producing a door air curtain
Номер патента: DE1800098A1
Опубликовано: 16-04-1970
Автор(ы): Gerbert Dipl-Ing Heinz
Принадлежит: Individual
Опубликовано: 16-04-1970
Автор(ы): Gerbert Dipl-Ing Heinz
Принадлежит: Individual
Filtration method and a filter device for removing impurities from the air of a limited space and an apparatus for removing carbon dioxide from the air of an air-raid shelter
Номер патента: WO2004101113A1. Автор: Markku Lampinen,Keijo Rauhala,Tomi Antilla. Владелец: Oy Hydrocell Ltd. Дата публикации: 2004-11-25.