| 摘要 |
1,126,606. Gas distribution systems. SIEMENS A.G. 4 May, 1967 [11 May, 1966], No. 20866/67. Addition to 1,057,120. Heading F4X. [Also in Divisions B1 and G3] Valve 3 of the regulator described in the parent Specification regulates the rate of flow of carrier gas to a gas chromatography separating column, and is controlled automatically by a motor 6 operated in accordance with a programme stored in a time plan emitter 8. |
