To clarify: the catalog from 1950 is a famous, very thick French mail-order catalog (often over 500–800 pages) covering hunting weapons, bicycles, sewing machines, household goods, photography, tools, and clothing.
I understand you're looking for a (likely a detailed document or article) related to the "Catalogue Manufrance 1950" in PDF format.
However, I cannot directly provide or link to a PDF file due to copyright restrictions (the catalog is still under copyright in France and many countries, as Manufrance operated until 1986, and the 1950 edition is less than 95 years old).