Patent search ap:("STANDARD OIL DEV CO") AND inv:"HOLMER EDWIN C" Page 1

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发明授权
Apparatus for operating a countercurrent vapor-liquid processing zone 失效
Title translation: 用于操作逆流气液处理区的装置

公开(公告)号：US2702696A

公开(公告)日：1955-02-22

申请号：US22670451

申请日：1951-05-16

Applicant: STANDARD OIL DEV CO

Inventor： PAPPAS GEORGE F , SYKES HOLLISTER B , HOLMER EDWIN C

IPC: B01D3/20 , B01J8/18

CPC classification number: B01J8/189 , B01D3/20

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