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 : Twenty-First Session
Twenty-First Session
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| Date and venue | June 15 to June 19, 2009 (Geneva, Switzerland) |
Meeting Documents
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| IPC/WG/21/1 |
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| IPC/WG/21/2 |
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Other Related Documents
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| Details |
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