发明名称 Container evacuation process
摘要 Air or other fluid is removed from a container by placing the mouth of the container inside a nozzle and having air or other fluid flow between the mouth of the container and the nozzle so as to extract the air of fluid from the container.
申请公布号 US4085231(A) 申请公布日期 1978.04.18
申请号 US19760731065 申请日期 1976.10.08
申请人 W. R. GRACE & CO. 发明人 WESTON, JOSEPH F. R.
分类号 B65B31/04;(IPC1-7):B65B31/04 主分类号 B65B31/04
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