| 摘要 |
909,864. Photo-electric diaphragm control. AGFA A.G. Feb. 16, 1959 [Feb. 15, 1958], No. 28096/62. Divided out of 909,863. Drawings to Specification. Class 40 (3). The disclosure is substantially the same as in Specification 909,863, but the claims relate to the provision of the manually-operated diaphragm. |
