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Bowers Hydraulic Dredge Patents
United States. Congress. Senate. Committee on Patents1902
Páginas: 22
Género: Patent extensions
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Animal Drug Amendments and Patent Term Restoration Act of 1986
United States. Congress. Senate. Committee on Labor and Human Resources.
1986
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Patent Term Restoration Act of 1981
United States. Congress. House. Committee on the Judiciary. Subcommittee on Courts, Civil Liberties, and the Administration of Justice.
1982
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