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(. Patent Cooperation Treaty, PCT) , 1970 . , « , »[1]. PCT, . PCT, , PCT.

(. Receiving Office, RO) . , , . , (. International Searching Authority, ISA) . (. International Preliminary Examining Authority, IPEA)[2]. , . , , ( ), . « », , [3]

« »[4], , (. International Patent Cooperation Union).[4]

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