Practical pointers for patentees, containing valuable information and advice on the sale of patents : an elucidation of the best methods employed by the most successful inventors in handling their inventions
Автор: Cresee, F[ranklin] A[llison] [from old catalog], издатель: "Книга по требованию", ISBN: 978-5-8823-5550-9| В наличии: | ||||
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