| 摘要 |
PCT No. PCT/GB93/01742 Sec. 371 Date Jan. 19, 1995 Sec. 102(e) Date Jan. 19, 1995 PCT Filed Aug. 17, 1993 PCT Pub. No. WO94/04279 PCT Pub. Date Mar. 3, 1994A scanning apparatus is provided for scanning a stream of atomized particles comprising a pneumatic valve through which gas can be routed to one or more nozzles to give a scanning action on the stream of atomized particles which routing is externally adjustable and externally programmable.
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