A foldable cardboard backing is secured to one surface of a flexible mass transfer membrane to enable rapid formation of a folded multi-layered device by compressing the backing and membrane connected thereto into folds and then fixing the folds by sealing their ends.
申请公布号
BE786814(A1)
申请公布日期
1972.11.16
申请号
BE19720786814
申请日期
1972.07.27
申请人
BAXTER LABORATORIES INC., 6301 LINCOLN AVENUE, MORTON GROVE, ILLINOIS, (E.U.A.),
