| 摘要 |
849,936. Laminates. COMPAGNIE GENERALE D'ELECTRICITE. Oct. 29, 1957 [May 20, 1957], No. 33732/57. Class 140. [Also in Group XXXVI] A battery separator consists of a layer of glass fibres agglomerated by fusion and having bonded to one or both faces a layer of matted glass fibres, the bonding being effected by fusion, sticking or other method. The first layer may be impregnated with a hydrophilic synthetic resin and may be formed with ribs or corrugations. |
