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    Patents for designs; the substantive law of patents for designs, and the adjective law relating to the prosecution of applications before the United States Patent office, with appe... per Shoemaker, William David

    Publicat 1929
    Llibre

    Patents for designs; the substantive law of patents for designs, and the adjective law relating to the prosecution of applications before the United States Patent office, with appendices covering a list of adjucated design patents and a classification of design patents

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