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  International Patent Classification (IPC) - WIPO
  
  The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent ...
  
  2024-11-19
  
  瀏覽：884
- www.google.com.tw
  
  IPC - WIPO
  
  15 Jan 2015 ... International Patent Classification (IPC) Official Publication.
  
  2024-11-24
  
  瀏覽：334

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Guide to the IPC (2014) - WIPO

日期：2024-11-17

The Guide attempts to describe in simple ... (b) the Catchword Index to the IPC, ......

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Frequently Asked Questions about the International Patent ... - WIPO

日期：2024-11-19

The first section "General questions related to the IPC" provides answers to ......

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International Patent Classification - Wikipedia, the free encyclopedia

日期：2024-11-24

The International Patent Classification (IPC) is a hierarchical patent classification system used in over 100 countries to classify the content of patents in a uniform ......

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Espacenet - International Patent Classification (IPC)

日期：2024-11-24

The International Patent Classification system (IPC), established by the Strasbourg Agreement 1971, is a hierarchical system which uses language- independent ......

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EPO - IPC (International Patent Classification)

日期：2024-11-22

25 Feb 2011 ... The IPC (International Patent Classification) is one of the most important tools available to people who want to search patent databases....

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IPC Classification System - Intellogist

日期：2024-11-17

). The International Patent Classification, or IPC, is administered by the World Intellectual ......

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Espacenet - International Patent Classification (IPC)

日期：2024-11-22

The International Patent Classification system (IPC), established by the Strasbourg Agreement 1971, is a hierarchical system which uses language- independent ......

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