Conferences, Meetings and Seminars
Meetings by Topic
International Classifications
International Patent Classification (IPC)
IPC Revision Working Group
| Meeting Title | : IPC Union - IPC Revision Working Group : Twentysecond Session
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| Date and venue | November 30 to December 4, 2009 (Geneva, Switzerland) |
Meeting Documents
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| IPC/WG/22/1 PROV. |
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| IPC/WG/22/2 |
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Other Related Documents
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| Details |
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