Inventor
DEVELLE GUY
FR3 patents
Patents
3 patentsUS4483273ANov 20, 1984
Shelter pressurization and filter installation
POELMAN SOFILTRA59 citations92
US4961764AOct 9, 1990
Filtering unit and filtering equipment incorporating said unit
POELMAN SOFILTRA27 citations83
US4514198AApr 30, 1985
Apparatus for pressurization and filtration of contaminated air
POELMAN SOFILTRA5 citations59