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Legal Deposit
Patent directory of Sri Lanka Details of inventions patented by Sri Lanka from 1980 upto December 31, 1992 and the list of Sri Lanka's patents granted during year 1993 Language: English
Publication details: Colombo Sri Lanka inventors commission 1994
Availability: Items available for reference: Main Library: Not for loan (1)Location, call number: Legal Deposit Section B0395 LDC.

Legal Deposit
Patent directory of Sri Lanka Language: English
Publication details: Colombo Sri Lanka Inventors Commission 1994 1994
Availability: Items available for reference: Main Library: Not for loan (1)Location, call number: Legal Deposit Section B0443 LDC.

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