Author: -.
Title: 8 Commercial brochures Berkefeld-Filter GMBH, Celle.
Description: Celle; n.d. (ca. 1950); Berkefeld; softcover; ills., tables, fig.; technical data; pagination varies. Stamp former owner on each brochure.

Keywords: advertising/reclame chemistry/chemie economic history/economische geschiedeni mechanics/werktuigkunde technics/techniek