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GB/T 41469-2022 in English
Digital textbook—Metadata of digital textbook for primary and secondary school
valid
Issued on:2022-04-15
$532.00 -
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GB/T 41471-2022 in English
Digital textbook—Publishing fundamental process of digital textbook for primary and secondary school
valid
Issued on:2022-04-15
$336.00 -
GB/T 40949-2021 in English
Digital rights management—Specification for trusted counting technology
valid
Issued on:2021-11-26
$308.00 -
GB/T 40953-2021 in English
Digital rights management—Encryption and encapsulation of copyright resources
valid
Issued on:2021-11-26
$308.00 -
GB/T 40985-2021 in English
Digital rights management—Identification and description of copyright resources
valid
Issued on:2021-11-26
$420.00 -
GB/T 40989-2021 in English
Press and publication—Knowledge services—Knowledge object identifier(KOI)
valid
Issued on:2021-11-26
$476.00 -