词条 | Katsuhiko Okamoto |
释义 |
Okamoto CubesAn incomplete list of Okamoto's inventions:[1][2]
References1. ^1 {{cite book | title=The Cube: The Ultimate Guide to the World's Bestselling Puzzle | publisher=Black Dog & Leventhal | author=Slocum, Jerry | year=2009 | location=United States | isbn=978-1-57912-805-0}} 2. ^{{cite web | url=http://twistypuzzles.com/cgi-bin/pdb-search.cgi?act=inv&key=121 | title=Katsuhiko Okamoto | publisher=Twisty Puzzles | accessdate=11 July 2013}} 3. ^{{cite web | url=http://www.jaapsch.net/puzzles/floppy.htm | title=Floppy Cube | accessdate=11 July 2013}} External links
6 : Toy inventors|Puzzle designers|Japanese inventors|Rubik's Cube|Living people|Year of birth missing (living people) |
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