In addition to the technically required cookies, our website also uses cookies for statistical evaluation. You can also use the website without these cookies. By clicking on "I agree" you agree that we may set cookies for analysis purposes. You can see and change your cookie settings here.
Untersuchung der Abwässer des Nährmittelwerkes Provieta-Behr u. Co., Mettmann (aus dem Hammerbach)
u. a.: Lageplan und Pläne der Abwässerungsanlage der Firma; Gutachten Dr. Dr. Hussmann, Essen; Beschwerde Eigen gegen Proviete (Ch.W. Tauffenbach); Abwässer der Firma Braun, Blockmalzfabrik