| 摘要 |
1,268,431. Preventing bed sores. MINNESOTA MINING & MFG. CO. 28 Jan., 1969 [29 Jan., 1968], No. 4658/69. Heading A5R. [Also in Divisions A4, B2, B7, B8 and C3] A pad used as a cushioning device for preventing bed sores consists of a moulded gel of a paraffin oil/styrene-butadiene-styrene block copolymer composition. |
