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William Allen Oldfield
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Oldfield Revision and Codification of the Patent Laws
United States Congress House Committe, William Allen Oldfield · Creative Media Partners, LLC
Sayfa sayısı yok · 2018
Kategori yok
Revision of patent laws ...
William Allen Oldfield, United States. Congress. House. Committee on Patents · Govt. print. off.
12 sayfa · 1914
Patent laws and legislation
