Ihre Suche nach „patent“ in „Fremdsprachige Bücher“
17.90 €
Recent discussions on the abolition of patents for inventions in the United Kingdom, France, Germany and the Netherlands
Robert Andrew Macfie
26.90 €
Living Pictures
Henry V. Hopwood
25.90 €
Practical suggestions on the sale of patents,
William Edgar Simonds
16.90 €