| 摘要 |
1,241,478. Electric incandescent lamps. FORD MOTOR CO. Ltd. 10 Nov., 1969 [19 Dec., 1968], No. 54854/69. Heading H1F. [Also in Division G2] A lamp of wedge base type construction has a glass envelope, the end of which has an integral lens portion which directs rays from the filament parallel to, convergent with or divergent from the bulb axis. |
