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1.发明授权Device for discharging lump or viscous material,particularly wood chips,from the lower part of an upright container 失效用于排放LUMP或VISCOUS材料的装置，特别是木制品，来自最佳容器的下部
公开(公告)号：US3540604A
公开(公告)日：1970-11-17
申请号：US3540604D
申请日：1968-08-05
Applicant: SUNDS AB
Inventor： HYTTINEN VEIKKO JOHANNES
CPC classification number: D21C7/08 , B65G65/4827
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