GB/T 45619-2025 Chinese PDF (GB /T45619-2025) GB/T 44872-2024 3-2025_Chinese: Optics and photonics -

3-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 3: Telescopic sights (Chinese: 光学和光子学 望远镜系统试验方法 第3部分：瞄准望远镜)

English versions: GBZ44946-2024

English versions: GB/T 20042

2-2025_Chinese: Leather and fur - Determination of chlorinated hydrocarbons - Part 2: Middle-chain chlorinated paraffins(MCCPs) (Chinese: 皮革和毛皮 氯代烃的测定 第2部分：中链氯化石蜡)

pH and salinization maps at the scale of 1: 25 000～1: 500 000 (Chinese: 土壤制图 1:25000~1:500000土壤质地、酸碱度、盐渍化图的图式、用色及图例规范)

GB/T 45619-2025 Chinese PDF (GB /T45619-2025) GB/T 44872-2024 3-2025_Chinese: Optics and photonics -GB T 45619 2025_Chinese: Agricultural service Specification for service of wholesale markets of agricultural products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45619 2025