发明名称 Vibrating membrane for cleaning sieve or - screen
摘要 The sieve or screen is retained in a housing and a membrane is incorporated within the housing under the screen. The membrane is attached to a reciprocating rod which is driven by either electricity, air or hydraulics and imparts an up and down motion which is adjustable.
申请公布号 DE1952113(A1) 申请公布日期 1971.04.22
申请号 DE19691952113 申请日期 1969.10.16
申请人 F KURT RETSCH KG FA 发明人 NOWAK RUDOLF
分类号 B03B4/00 主分类号 B03B4/00
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