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Google圖書搜尋
The First Plant Patents
Robert Starr Allyn
其他書名
A Discussion of the New Law and Patent Office Practice; Abstracts of 84 Patents and History of the Law
出版
Educational Foundations
, 1934
URL
http://books.google.com.hk/books?id=RBc3AAAAIAAJ&hl=&source=gbs_api