- 2023-06-17 19:27包含极性基质和金属掺杂剂的n型掺杂半导体材料
- 2023-06-17 19:26一种汽车发动机排气管铸造工艺
- 2023-06-17 19:25METHOD AND APPARATUS FOR CONTROLLED VESSEL OCCLUSION
- 2023-06-17 19:24苯乙酮加氢制备α-苯乙醇的催化剂、制备方法及应用
- 2023-06-17 19:14一种钛合金箔防爆材料的涂覆工艺
- 2023-06-17 19:09一种能够明显提高铝铜合金热疲劳性能的复合稀土变质剂
- 2023-06-17 19:04一种生产丙烯的催化剂及其制备方法和应用
- 2023-06-17 18:57一种改性纳米碳的甲基乙烯基硅橡胶电缆护套料及其制备方法
- 2023-06-17 18:54Holiday countdown interactive display
- 2023-06-17 18:49一种植物营养促进剂
- 2023-06-17 18:48A high refractive index glass
- 2023-06-17 18:45LUMINESCENT BORATES, MATERIALS AND ARTICLES INCORPORATING SUCH BORATES, AND METHODS AND APPARATUS
- 2023-06-17 18:36ISOPRENE POLYMERIZATION CATALYST COMPOSITION, METHOD OF PRODUCING SYNTHETIC POLYISOPRENE AND SYNTHE
- 2023-06-17 18:31一种稀土澄清装置
- 2023-06-17 18:18铋置换型稀土类铁石榴石晶体膜和光隔离器
- 2023-06-17 18:16Automatic opening and shutting type folding fan that is non- fixed frame for plastic tunnels
- 2023-06-17 18:14规整结构脱硫催化剂及其制备方法与含硫烃脱硫的方法
- 2023-06-17 18:03一种降低汽油中苯含量的方法
- 2023-06-17 18:01SOAKER AND/OR DRIP IRRIGATION DEVICE SUITABLE FOR PLANT POTS AND OUTDOOR SOIL PLANTING
- 2023-06-17 17:46一种稀土原料高精度提纯装置