Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Shoemaker, William David', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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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... gan Shoemaker, William David

    Cyhoeddwyd 1929
    Llyfr

    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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