| 摘要 |
1470269 Tooth brushes TRISA BURSTENFABRIK AG 21 March 1974 [7 Jan 1974] 12680/74 Heading A4K On introduction of a dentifrice containing cartridge 30 into the hollow handle 31 of the tooth brush described in Fig. 9 of Specification 1470268, a thorn 39 protruding from the piston 37 perforates the end-wall 30e of the cartridge. The cartridge may have a rectangular, circular or horse-shoe shaped cross-section. |
