Build a better mousetrap :make classic inventions, discover your problem-solving genius, and take the inventor's challenge



No. Panggil 609 Kas b
Pengarang Kassinger, Ruth,;
Tempat Terbit Hoboken :
Penerbit John Wiley & Sons
Tahun Terbit 2002
Subject Penemuan; Inventions;
Klasifikasi 609
Abstrak/Catatan Includes index.;