Abstracts of patents on air pollution abatement processes and equipment
By: by Edward A. De La Rue.
Edition: European edition.
Publisher: Ovum Ltd.]
Published: 1974
Place of publication: London
Language: eng
Number of pages: 269
Subjects: Pollution control equipment -- Patents -- Abstracts.; Air pollution -- Control -- Patents -- Abstracts.
Notes: Dated February 1974.

First published by R. E. De La Rue Associates, Santa Clara, California, July 1973.