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GB/T 15971-2023_Chinese: Specification for tour guide service (Chinese: 导游服务规范)
English versions: GB/T 45236-2025
GB/T 13930-2024_Chinese: Water ring vacuum pumps and compressors - Method for measurement of volume flow of gas (Chinese: 水环真空泵和水环压缩机 气量测定方法)
GB/T 45194-2024_Chinese: General requirements for traditional historical vehicles (Chinese: 传统经典车通用要求)
GB/T 45595-2025_Chinese: Centrifugal refrigerant compressors (Chinese: 离心式制冷剂压缩机)
GB/T 20064.1-2023 Chinese PDF (GB/T20064.1-2023) GB/T 25045-2025 GB/T 15971-2023_Chinese: Specification for tourGB T 20064. 1 2023_Chinese: Reciprocating internal combustion engines Handle starting equipment Part 1: Safety requirements and tests (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20064. 1 2023
