Showing 1 - 2 results of 2 for search 'Singer, Berthold, 1860-', query time: 0.02s Refine Results
  1. 1
    Patent and trade mark laws of the world,
    by Singer, Berthold, 1860-
    Published 1911
    Book
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  2. 2
    Trade mark laws of the world, and unfair trade,
    by Singer, Berthold, 1860-
    Published 1913
    Book
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