The reform of the IPC—consequences for the users

Heiko Wongel، نويسنده ,

روزنامه با شماره پیاپی سال 2005

5

227

231

Core level , Users’ perspective , Novelty searches , International searches , Comprehensive searches , Invention information , IPC updates , Additional information , IPC-2006 , Master classification database , ECLA , Backfile classification , Patent classification , IPC reform , Advanced level

World Patent Information

2005

World Patent Information

274100