_:vb52945 . _:vb52949 . _:vb52946 . _:vb52955 . _:vb52947 . _:vb52951 . _:vb52951 . _:vb52947 . _:vb52946 . _:vb52948 . _:vb52945 . _:vb52956 . _:vb52949 . _:vb52953 . _:vb52952 . _:vb52944 . _:vb52946 . _:vb52944 . _:vb52947 . _:vb52944 . "A filter is an apparatus used to remove particulate or gaseous matter from fluids and gases."@en . . _:vb52952 . _:vb52945 . _:vb52953 . _:vb52947 . "Filter"@en . _:vb52956 . _:vb52954 . . _:vb52955 . _:vb52955 . _:vb52956 . _:vb52954 . _:vb52948 . _:vb52949 . _:vb52950 . _:vb52951 . _:vb52953 . _:vb52948 . _:vb52944 . _:vb52945 . _:vb52954 . _:vb52948 . _:vb52946 . _:vb52947 . _:vb52952 . _:vb52949 . _:vb52956 . _:vb52955 . _:vb52956 . . _:vb52951 . _:vb52950 . _:vb52952 . _:vb52953 . _:vb52952 . "https://w3id.org/ifc/IFC4_ADD1#IfcFilter" . . _:vb52954 . _:vb52955 . _:vb52951 . _:vb52950 . _:vb52953 . _:vb52944 . _:vb52949 . _:vb52950 . _:vb52954 . _:vb52945 . _:vb52946 . _:vb52948 . . _:vb52950 .