Patent search ap:("WARNER LEWIS COMPANY") AND inv:"CLIFTON LLOYD T" Page 1

1.

发明授权
Two-stage filter 失效
Title translation: 两级过滤器

公开(公告)号：US2612270A

公开(公告)日：1952-09-30

申请号：US21052551

申请日：1951-02-12

Applicant: WARNER LEWIS COMPANY

Inventor： LEWIS JR WARNER , CLIFTON LLOYD T

IPC: B01D27/00 , B01D29/00

CPC classification number: B01D29/58 , B01D27/00 , B01D29/15

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