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1.Apparatus for dispersing and electrically charging substances in discrete particulate form 失效
Title translation: 用于以离散颗粒形式分散和充电物质的装置公开(公告)号:US3248606A
公开(公告)日:1966-04-26
申请号:US24201762
申请日:1962-12-03
Applicant: SAMES MACH ELECTROSTAT
Inventor: FRASER REGINALD P