A practical system for the sale of patent rights for the use of inventors and patent owners, enablin them to dispose of their own patents with certainty, safety and profit; with other valuable information for inventors
Автор: Mann, Charles B. [from old catalog], издатель: "Книга по требованию", ISBN: 978-5-8820-3245-5| В наличии: | ||||
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Books.Ru - 540 руб. |
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5 из 5, 2 голос(-ов).