GB/T 5683-2024 Chinese PDF (GB/T5683-2024) GB/T 18281.4-2024 GB/T 19720-2024_Chinese: Jewellery and precious

GB/T 19720-2024_Chinese: Jewellery and precious metals - Determination of platinum and palladium - Gravimetry using ammonium chloride and dimethylglyoxime (Chinese: 首饰和贵金属 铂、钯含量的测定 氯化铵重量法和丁二酮肟重量法)

classification and model compilation method for complete sets of equipment for fiber carbonization production (Chinese: 纤维碳化生产成套装备的术语、分类及型号编制方法)

4-2023_Chinese: Agricultural irrigation equipment - Filters for micro irrigation - Part 4: Granulated media filters (Chinese: 农业灌溉设备 微灌用过滤器 第4部分：颗粒介质过滤器)

English versions: GB/T 20603-2023

English versions: GB/T 8269

GB/T 5683-2024 Chinese PDF (GB/T5683-2024) GB/T 18281.4-2024 GB/T 19720-2024_Chinese: Jewellery and preciousGB T 5683 2024_Chinese: Ferrochromium (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5683 2024