GB/T 20130-2025 Chinese PDF (GB /T20130-2025) GB 21342-2025 GB/T 18867-2025_Chinese: Electronic gas -

GB/T 18867-2025_Chinese: Electronic gas - Sulphur hexaflouride (Chinese: 电子气体 六氟化硫)

raw natural and raw synthetic - Sampling and further preparative procedures (Chinese: 天然、合成生胶 取样及其制样方法)

GB/T 21099

2-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 2: Specification of FB concept (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第2部分：FB概念规范)

English versions: GB/T 19266-2024

GB/T 20130-2025 Chinese PDF (GB /T20130-2025) GB 21342-2025 GB/T 18867-2025_Chinese: Electronic gas -GB T 20130 2025_Chinese: Self shielding electron beam facility for radiation processing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20130 2025