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1.Furnace for the combustion of domestic refuse and other inferior-grade fuels 失效
Title translation: 用于燃烧家用垃圾和其他劣质燃料的炉公开(公告)号:US3046915A
公开(公告)日:1962-07-31
申请号:US34621353
申请日:1953-04-01
Applicant: L VON ROLL AG
Inventor: WERNER LUDIN
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公开(公告)号:US2960323A
公开(公告)日:1960-11-15
申请号:US43254254
申请日:1954-05-26
Applicant: L VON ROLL AG
Inventor: WERNER LUDIN
IPC: F27B1/00
CPC classification number: F27B1/005
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3.Process for drying slime, particularly foul slime, and plant for executing the said process 失效
Title translation: 用于干燥粘泥,特别是污泥和用于执行所述方法的设备的方法公开(公告)号:US2823742A
公开(公告)日:1958-02-18
申请号:US24163251
申请日:1951-08-13
Applicant: L VON ROLL AG
Inventor: WERNER LUDIN , FRITZ BION
CPC classification number: C02F1/048 , B01D1/2887 , C02F11/12 , F26B17/003
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