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专利名称：Device for working at a hard material发明人：Strömdahl, Carl Akesson申请号：EP850259.6申请日：190817公开号：EP0362167A2公开日：19900404
专利附图：
摘要：A device for working at hard material. The device comprises a container (4) witha sieve (6) where abrasive is sieved under a liquid surface (7). Liquid is supplied to thesuction conduit (13) of a low pressure pump (8) for creation of a slurry which is pumpedto a pressure vessel (10). This pressure vessel is then pressurized for the feeding of
abrasive to a high pressure conduit (2) where the the abrasive is mixed with high pressureliquid which is supplied to a nozzle (3) for the creation of a jet stream.
申请人：Conjet AB
地址：Box 765 S-131 24 Nacka SE
国籍：SE
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