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GB/T 40949-2021 數(shù)字版權(quán)保護(hù) 可信計數(shù)技術(shù)規(guī)范 Digital rights management—Specification for trusted coun...2023-07-05

GB/T 40949-2021數(shù)字版權(quán)保護(hù) 可信計數(shù)技術(shù)規(guī)范Digital rights management. Specification for trusted counting te...2022-03-14

GB/T 40953-2021數(shù)字版權(quán)保護(hù) 版權(quán)資源加密與封裝Digital rights management. Encryption and encapsulation of cop...2022-03-14

GB/T 40985-2021數(shù)字版權(quán)保護(hù) 版權(quán)資源標(biāo)識與描述Digital rights management. Identification and description of c...2022-03-14

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數(shù)字水印技術(shù)的研究2020-10-30

工藝版權(quán)保護(hù)之道2020-10-22