Home / Standards / GB/T 45563.2-2025 GB/T 45563.2-2025 Active Specification of intellectual property appraisement—Part 2:Patent 知识产权鉴定规范 第2部分:专利 Standard Type GBT ICS 03.140 CCS A16 Status 现行 Issue Date 2025-04-25 Implementation 2025-04-25 Responsible Dept 国家知识产权局 Drafting Unit N/A