首页>
外国专利>
Puzzle based on seven geometrical pieces from various selections of a rectangle (Machine-translation by Google Translate, not legally binding)
Puzzle based on seven geometrical pieces from various selections of a rectangle (Machine-translation by Google Translate, not legally binding)
By geometric puzzle based on pieces coming, or rather, consisting of seven geometric pieces proportioned together in an appropriate manner. (Machine-translation by Google Translate, not legally binding)
展开▼