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Author
Publication
1983 - Online Information Centre, London, United Kingdom
Language
English
Word Count
5,000 words, Guess
Page Count
20 pages
Identifiers
- ISBN-100946663033
- ISBN-139780946663033
- Open LibraryOL19312625M
Classifications
- DDC025/.06608
- LCCZ699.5.P3
Subjects
Other Editions
- Patents databases
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