| 其他書名 | Hearings Before the Special Subcommittee on Patents and Scientific Inventions of the Committee on Science and Astronuatics, U. S. House of Representatives, Eighty-seventh Congress, First Session on H. R. 1934 and H. R. 6030 ... |
| 出版 | U.S. Government Printing Office, 1961 |
| URL | http://books.google.com.hk/books?id=g6QqAAAAMAAJ&hl=&source=gbs_api |