Roller Coaster, 480 Patents, 7800 Pages
17,99 €
Most roller coasters have multiple cars in which passengers sit and are restrained into. Roller Coaster. A collection of 490 original patent specification with approx. 7949 printable sides. Did you know that 90% of the technical knowledge is to be found in the patent literature and not in specialized books?!
Jetzt bei Ebay:
