Science · Patent Information Sources
Match each patent information source with its most distinctive characteristic: SourceDistinctive CharacteristicA. Patent Information System (PIS), Nagpur1. Contains bibliographic records of more than 13 million patent documents from around 60 countries, dating from 1973B. INPADOC, Vienna2. Maintains computer-searchable patent data from over 50 countries, dating back to 1968, and houses over 7.5 million foreign patent documentsC. World Patent Index (Derwent)3. A bibliographic database containing information on nearly 52,000 patents granted in India from 1972 to December 1998D. INPAT Database4. A comprehensive patent abstracting service updated weekly and monthly, covering patents from major industrial nations
- 1A-1, B-2, C-3, D-4
- 2A-2, B-1, C-3, D-4
- 3A-2, B-1, C-4, D-3✓
- 4A-1, B-3, C-2, D-4
Correct answer
A-2, B-1, C-4, D-3
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