| 摘要 |
1338373 Semi-permeable membrane BAXTER LABORATORIES INC 14 June 1971 [18 Sept 1970] 827/73 Divided out of 1338372 Heading B1X A flexible semi-permeable membrane 10 and a separately formed stiff backing 18 are arranged face to face to define two sets of pockets at opposite faces of the membrane. The membrane is attached by a tape member 114 to the backing and the whole is sealed in leak proof manner with a bead of elastomer 116 which overlaps the lateral edges of the membrane to adhere to the tape. |
