搜索: 资料名称 作者 主题 系列 起始字母为: 10 20 30 50 100 每页 < 前 10 个标题 后 10 个标题 > 浏览标题 # Patel, Ravi. 1 Patel, Ravi -- Family. 2 Patent laws and legislation 1 SEE ALSO: Copyright 5 Patent laws and legislation -- United States -- Popular works 8 Patent laws and legislation -- United States -- Popular works -- Periodicals. 1 Patent licenses -- United States -- Popular works. 3 Patent literature 1 Patent literature -- Searching -- SEE: Patent searching 1 Patent medicines -- New York (State) -- New York -- History -- 19th century. 1 Patent practice. 1 10 20 30 50 100 每页 < 前 10 个标题 后 10 个标题 >