Patents & Inventions

Epic Disruptions: 11 Innovations That Shaped Our Modern World Author(s): Scott D. Anthony (Author) Publisher: Harvard Bu...

赞(0)girro2019-07-09

Senefelder on Lithography: The Classic 1819 Treatise First American Edition Author(s): Alois Senefelder (Author) Publish...

赞(0)girro2015-06-12